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math3

Published by THE MANTHAN SCHOOL, 2021-07-28 05:46:25

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Calendar There are 24 hours in a day, 7 days in a week and 12 months in a vear. Out of these months, April, June, September and November have 30 days and January, March, May, July, August, October and December have 31 days. February has 28 days. A year has 365 days and 52 weeks ,Januarg Fetrorg llarch !,f\"i!li..i,l, \\-i (!d\"TLii4,.J,t s.j lill.rLir\"ir ' !.r ffr'it llav Jun\" l! |i. Te t1.: r .fr \\'] !e11.T!iytslifr !a 0cfober!!lt, i,1r\"1.i. r-., !l,lN1l\"Tt,l\"l.T'br.et Sr. lecen'ber Leap Year \" ! J;!rodt nd, bst A leap year has 366 days. There are 29 days in February in a leap year. lt occurs once in everrf'four years. The year 2016 was a leap year. 2O2O will be the next leap vear. Field arld;T-

Mr Menon's class is going on a field trip. He makes a schedule for the class. An activity begins as soon as the previous activity ends. Time I Activ e!90 Arrive at the nature plrk 9: L5 10:40 Walk in the woods 7l:2O Visit the observatory Explore the, muse-um \\?,t1 Eat lunch 99*!9n th9 by91o go bqck 1:00 , .._, _.3j19 Answer the following questions using a clock. L. How long did Mr Menon's class spend for visiting the observatory? 2. At what time did the students get over with exploring the museum? 3. Which activity lasted the longest? Which activitv lasted the shortest? YOU can also prepare a schedule for a field trip for your class. Time I Activity 1. Answer the following questions by looking at the calendar of the current year a. How many weeks are there in the month of January? b. How many days are there in the month of February? Which day of the week is the Children's Day? d. There are Sundays in January e. My birthday is on a (Write the day.)

f. J une is the month of the year. The last day of the year is a 2. Match the following: a Tuesday o Thursday a. The day before Sunday' o Sunday b. The day that comes afterThursday o Monday c. The day that comes before Thursday a Friday d. The day that comes after Wednesday a Wednesday e- The day that comes after Sunday a Saturday f. The day that comes before Wednesday g. The day that comes after Saturday Write a Date 4 December 2Ol7 con be wriften os Do you know how to write a date? 04/12/2077 or We write date in the following format. 04.12.2017. Olte/Month/Year or Date. Month. Year Write the dates of your best friend's birthday tnd your parents' birthdays. Tlmeline A tlmeline helps you to place events in the order they took place. Glven below are some significant events from Sachin Tendulkar's life. A: First match played against Pakistan in 1989. Br Won the Padma Vibhushan award in 2008. Ci Won the Padma Shri award in 1999. D: Born on 24 APtil1973. Er Won the Arjuna Award in 1994. F: Scored Lo0th century in 2012. Wrlte the events in chronological order (the order in which they occurred) starting with the earliest event. The correct order starting with the first event is D

T A-glwHrh D[ggug t|ns' Objective: To practise reading days and dates from a calendar. Materials required: A month's calendar for the current year (say, August) and Method: Locate and circle the davs and dates. Read the calendar and answer the following questions. August 2017 L. How many Sundays are there? Su Mo Tu Th Fr Sr 2. Write the dates for all the Thursdavs. 3. Number of public holidays (if any). 1 3 45 4. What is the day on the 10th day of this month? 8 10 11 1\" 5. How many complete weeks are there? 13 14 15 16 17 1a 20 21 22 23 24 25 2A 29 30 31 I Write your birthday in the format date/month/year. Find the date on which you will be L8 years old. MY Proiect \\ Prepare a timeline on the major life events of a. Srinivasa Ramanujan, the mathematician b. lsaac Newton, the scientist c. Chhatrapati shivaji Maharaj, the Maratha Emperor Draw them on a chart paper. Stick pictures and write information in briel dd/mm/yy

i 1. Ine numoer oT nours In a oay rs c. 48 c. 60 a. 24 b. L2 c.7 : 2. The number of minutes in an hour is a. 24 b. 18 3. The number ofdavs in a week is a. 30 b.24 4. Which of the following clocks shows quarter past 5? D. 5. lf the minute hand is at 3 and the hour hand is between 4 and 5, we say that the time is a. quarter past 4 b. quarter to 5 c. quarter to 4 The adjoining clock shows a. half past 9 b. 5 minutes past 9 c. 10 o'clock The number of months in a vear is a. 12 b. 24 In a leap year, February has oays. a. 28 b. 29 c. 30 9:50 can also be written as a. half past 9 b. L0 minutes to 10 c. L0 minutes past 9 10. The day that comes after Sunday is i ^ qri r.la\\/ L nr^hn-r, . T',6..1.,, ; :'i::i|:; 1--l.. ,H,ow many days in a week start with the letter'T'? c.2 i. a.3 b.4 c. I2.L2.2OL2 i i as12- 25 December 2012 can also be written i : a. 25.L2.2012 b. L2.25.2O12 i i

NlJoney Money is a medium of exchange. lt is a way of payment made for the goods and services useo. Mayank goes for the football practice by bus. He has t l and { 2 coins in his wallet. The bus fare is { 7. He pays three { 2 coins and one { 1 coin to buy the ticket. gLet us see some commonly-used denominations of notes and coins. 1. Circle the coins that match the given sum. One has been done for you. ,i@@@@{r(8Bc?ca feachetstip,/ Due to demonetisation ofcurrency (currency notes), please show the relevant and current ba-_--_-l,,,.T currencies to the students at the time of teaihing thii chapter

''@Fec3@3 cc3C€O€oo 2. Count the number of notes and coins of each denomination and write in the space provided. One has been done for you. ? 500 notes { 100 notes ? 50 notes { 20 notes { 10 notes { 10 coins { 5 coins { 2 coins { 1 coins

1. Count and write the total monev as shown. \"iill Eil ilEil@@@ b. Ii-Il-I;-i-.- l?_ | EEN fl@@@@@o ilE ilt?--t 2. The prices ofsome items in a shop are grven below. ETEra. Adil has Does he have enough money to buy a cupcake? b. lohn has T*{ffiffi. How much money is left with John if he buys a milk packet and an apple? c. Nishan*EfEr How much more money does Nisha need to buy a cupcake and a packet of apple juice?

Complete the ta ble by f iliing in the missing a mounts. One has been done for you. Amount paid Cost of the item Balance received a, { 200 { 500 L-D, g c. / {48 d. t 3s0 IfficilffiS *- tr-e. |::HSI o ryE Arjun found a wallet having money in the school playground. The wallet had L hundred-rupee note, 1fifty-rupee note, 4 ten-rupee notes and L five-rupee coin. How much money was there in the wallet? Arjun immediately went to his class teacher and gave her the wallet. What is the value shown by Arjun and what is the significance of this value? Expressing Money We can express money in the short form and the long form. When we write in figures, it is .,.; _) /: -__)I 5non rorm, the short form and when we write in words, it is the long form. .i.63.50 )I Long torm L| -lllr I| |L-J| i < sz , i iFifty-two rupees or 52 rupees ttl Paise symbol of rufee I In the short form, rupees and paise are separated by a dot. The number on the left side of the dot represents rupees and the number on the right side ofthe dot represents paise. Paise is always written in two places after the dot.

Example 1; Write the following amounts in the short form. a. 45 rupees 23 nrir\" = F+fEb. Sixty rupees twenty-five paise = @@c. Ninety-nine rupees fifty paise = Example 2: Write the following amounts in the long form. a. { 23.52 = Twenty-three rupees fifty-two paise or 23 rupees 52 paise b. { 66.20 = Sixty-six rupees twenty paise or 66 rupees 20 paise 1. Write the amounts in the lons form. D. { 34.50: d. { 94.99: a. 7 17.34: f. { 132.95: c. { 73.00: e. ( 112.85: h. 7 270.75: g. { 198.95: 2. Write the amounts in the short form. a. 14rupees5n.ir\"f--_-l b. 53 rupees 60 p.ir\" [--_-l n\"ir\"f--'lc. Thirty-four rupees ninety-nine d. Eighty-five ,rnuu, [--_-l [FrTry rupees rTreen parse ] c. Sixty rupees sixty p.iru [---l f. f--l99 rupees 99 O.ir\" [--_lh. 83 rupees ro o\"ir\" Conversion of Rupees into Paise | 4.75 = For converting rupees into paise, multiply rupees by 100. T 1= 100 paise or 100 p (paise is also written as p) {5=5x100p=500p

Example 1: Convert ? 2.25 into paise. Example 2: Convert < 6.80 into paise. t6.80={6+80p 7 2.25=( 2 + 25 p =6x{1+80p =2x7L+25p =2x100p+25p =6x100p+80p =600p+80p=680p =2O0p+25p=22sp Conversion of Paise into Rupees To convert paise into rupees, write 100 p as { 1or divide the paise by 100. 100paise={1 Example L: Convert 240 paise into rupees. Example 2: Convert 320 paise into rupees. 240 paise = 200 p + 40 p 320 paise = 300 p + 20 p =2x100p+40p =3x100p+20p =2x{1+40p =3x{1+20p =72+40p =?3+20p ={ 2.4O = t 3.20 Addition and Subtraction of Money Addition of Money EEExamDle L: Add { 23.50 and ? 10.25. Step 1: Add paise. 23 50 50P+25P=75P Step 2: Add rupees. +10 25 (25+(lu=t55 Hence, { 23.50 + { 10.25 = { 33.75 EEExample 2: Add { 57.40 and { 27.85. Step 1: Add paise. @5@7 40 40P+85P=125P={1+25P +27 85 Write 25 in the paise column and carry 1 to the rupees corumn. Add rupees. { 57 + { 27 + ? 1 (carry over) = ? 85 Hence,{57.40+{27.85

Subtraction of Money ETExample 1: Subtract { 25.10 from { 34.75. Step 1: Subtract paise. . 75p-L0p=65p 34 75 _25 10 Step 2: Subtract rupees. (5u+-(25=(v Hence, { 34.75 - { 25.10 = { 9.65 Example 2; Subtract { 32.60 from < 47.1.5. ET Step 1: Subtract paise. {Since 15 is |ess than 60, borrow from the rupee '44 \"7A cotumn. Regroup the paise column as 100 p +15p=tl!p. 60 Subtract: 115 P- 60 p = 55 O. Step 2: Subtract rupees. Since { L was borrowed by the paise column, { 47 becomes { 46. Subtract: {46-{32={14 -{Hence, < 47.15 32.60 = t 14.55 Word Problems Example 1: Rahul spends { 14.50 on a chocolate and ? 3.50 to buy a pencil. How much ETmoney does he spend altogether? \\F L(,4 50 Cost of the chocolate Cost of the pencil +350 Rahul spends altogether L8 00 Thus, Rahul spends { 18.00 altogether.

Example 2: Mohit buys a water bottle for { 42.55 and a school bag for ? 255.85. Which is costlier and bv how much? EE Cost of the school bag 255 85 Cost of the water bottle -4255 Difference between the costs 273 30 Thus, the school bag is costlier by { 213.30. \"EE1. Add the following: OEE c. 47 50 34 10 92 35 22 20 +4750 +4450 EE \"EE t. 52 50 +6380 4b 80 81 45 +3425 .EE2. Subtract the following: 15 3o'-;, c. 99 00 OEE -5900 64 90 64 65 -3560 OEE -3640 f. 87 40 \"EE -7080 85 10 96 42 -3870 35 50

3. Ranvijay bought apples for { 75. He gave < 100 to the shopkeeper How much amount would he set back? 4. Rinky wants to buy a notebook for < 66.50 and a pen for { 15.50. How much money should she pay in all? 5. Rohit bought a crayon set for { 55.50, a notebook for { 22.50 and a pen for ? 12.50. What was the total cost of all the three items? 6. Tanya purchased a doll for { 1.75 and a monopoly game set for ? 194. How much money did Tanya pay for both the items? lly-lpl raira bought a CD for { 115.50. She gave { 2OO to the shopkeeper. The shopkeeper returned ? 95.50 to Kaira bV mistake. How much money should Kaira give back to the shopkeeper? Write two advantages of honesty. Moths Around Us Raman's father asked him to buy apples from a fruit seller He gave him eight 1.o-rupee notes. Raman went to a fruit seller and asked him the Drice of apples. The fruit seller replied that the cost of apples was { 36 per kilogram. Raman told the fruit seller to weigh 2 kg and gave him { 80. Calculate the amount the fruit seller returned to Raman. lf the fruit seller wanted to return the amount in denomination of 2-rupee coins, then how many coins would he give to Raman?

Multiplication and Division of Money Multiplication of Money Example 1: Multiply t 13.50 by 3. Step 1: Multiply the paise. oo 3 x 0 = 0. Write 0 in the ones place of the paise I5 50 colu mn. F 3 3 x 5 = 15. Write 5 in the tens place of the paise column and carry over 1 to the ones place of the ''l rupees column. Step 2: Multiply the rupees. 3 x 3 = 9i 9 + 1(carry over) = 10. Write 0 in the ones place ofthe rupees column and carry over 1to the next place, 3 x 1= 3; 3 + 1(carry over) = 4. Write 4 in the tens place ofthe rupees column. Hence, { 13.50 x 3 = {40.50 Fxample 2: Multiply { 52.47 by 6. Step 1: Multiply the paise. oo 6x7 = 42-Wtite 2 in the ones place of the paise 52 column and carry over 4 to the next place. 6 6x4=24;24+4(carryover) = 28. Write 8 in tl5:r\"4.--6;:2t| the tens place of the paise column and carry over 2 to the ones place of the rupees column. Step 2: Multiply the rupees. 6 x 2= 12; 12 + 2 (carry over ) = 14. Write4 in the ones place of the'rupee' column and carry over 1to the next place. 6x5= 30;30 + L (carry over) = 31. Write 1in the tens place and 3 in the hundreds place ofthe rupees column. Hence, { 52.47 x 6 = { 314.82 Money is used as a method of payment for goods and services in the form of banknotes and coins which is called currency. The currency varies from country to country. For example, rupees and paise in India, dollars and cents in the USA and oounds and Dennies in the UK.

Division of Money Example 1: Divide < 10.66 by 2. 5.33 Step 1: Divide the rupees. z lru.oo jL0 + 2 5. Write 5 as quotient in the ones place of the rupee -10 t I cotumn. Step 2: Divide the paise. 6 + 2 = 3. Write 3 as quotient in the tens place of the paise column. 6 6 + 2 = 3. Write 3 as quotient in the ones place of the paise column. Hence,{10.66+2={5.33 Example 2: Divide ? 54.05 by 5. 10.81 Step 1: Divide the rupees. ) -t')-)tv4l .uv) 5 + 5 = L. Write 1 as quotient in the tens place of the rupees column. 40 4 cannot be divided by 5. So, write 0 in the ones place of the rupees column and bring down 0 to make it 40. -4 0 Step 2: Divide the paise. 40 + 5 = 8. Write 8 as quotient in the tens place of the paise column. Bring down 5. 5 + 5 = 1. Write L as quotient in the ones place of the paise cotumn. Hence, { 54.05 + 5 = { 10.81 Word Problems Example 1.: Rohan bought 3 ice cream cones for { 18.25 each. How much monev did he EE pay for the ice cream cones? ?a 2s Cost of 1 ice cream cone = ( 18.25 Number of cones = 3 Total cost={ 18.25 x3={54.75 54 75 Thus, Rohan paid ? 54.75 for 3 ice cream cones.

Example 2: Mr Amit divides ? 645.00 equally among his 5 children. How much money does each child get? (p Total amount={645.00 129.00 Number of children = 5 s | 6Asoo Each child gets = { 645.00 + 5 -5 Thus, each child gets { 129.00. t4 - 10 45 -45 \"EE1. Multiply. 68 00 108 05 16 23 4 x3 t4 ,EE ,EE 138 35 e. 34 86 z. utvtoe. 139 L5 x5 4 \"'r-=l flr_t D. r-l \\''*.,1 f: IilEIe. t_ ti\\''*'*l d.f: ti\\''\"'*t

1 3. The cost of 1 bag of sugar is { 278.75. Find the cost of 5 such bags of sugar. 4. Prerna wants to buy 7 umbrellas for her friends. Find the total amount she needs to pay, if each umbrella costs { 145.25. 5. A bouquet of flowers costs { 146.25. Find the cost of 9 such bouquets. 6. 6 chocolate cupcakes cost ? 150.90. Find the cost of l such cupcake. Bills A bill is a written statement showing the money that we pay to someone for goods or services that we buv. S.No. Rate per item Quantity 1. ({) 5. Rate Total p€r Example: Find the total amountof thegivenbill. <oitem Cost Item { Quantity Cost of 2 colour boxes = 2 x { 24 = ? 48 1. 24 2 48.00 cost of 3 ink pens = 3 x { 15 = { 45 2. 15 3 45.00 Cost of 5 notepads = 5 x { 8 = { 40 3. 30 5 40.00 Cost of 4 ball pens=4x{30=?120 4. Ball pens 4 120.00 Total 253.00 Ft Total cost = {48 + { 45 + { 40 + { 120 = { 253 lls8l r

1. Complete the following bills and find the total amount. a. Item Rate per item ({) Quantity Cost S. No. 3 {p 2 t. Mathematics book 85 3 72 2. Science book 54 1 3. GK book 67 48 Total English book 5. Grammar book b. Item Rate per item (l) Quantity Cost p S. No. 15 4 T2 5 '),. Pencil box 5 6 2. Measuring scale 3 8 Total Pencil sharpener A Eraser c. Item Rate per item (?) Quantity Cost p S, No. L28 3 2 1. Dictionary AA 2 2. Art book 3 5. Activity book 43 2 A Thesaurus 78 3 5. Essay book 55 6. Craft book 42 Total

I MY Proiect \\ ffi6iao Jop with your parents and watch how the ,hopk\"\"p\", t\"k\", bills. Sometimes bills are hand-written while sometimes theY are comPuterised Collect different types of bills and paste them in your scrapbook' D[qttlg liasr A-g4iulr Money Matters Objective: To learn how to handle money. Materials required: Paper cut outs to be used as notes, cardboard cut outs to be used as corns. Give each child a stack of paper cut outs and a bunch of cardboard cut outs. They will stick the right amount of notes and coins to add up to the total. One row has been filled for vou. ;ffiSum [ffi'fr ffiffi F8E @ Oo {28 { 145 < 478 < 248 { 139

: 1. Which one of the following adds up to { 15? . EIEI ' ilOOO !:ilICC. 2. A pencil costs { 8.25. The cost of 3 such pencils is a. 7 24.75 b. t 8.2s c. ? 16.35 3. 2L5 p can also be written as a. { 2.15 b. { 215 c. { 21.5 ,r'--tg] arcFor questions 4 to 6, refer to the following pictures. 4. The pen costs more than the eraser. a. {10 b. {s c. {15 5. The cost of 2 pencils and erasers is the same. a. 3 b.4 c.5 6. The cost of 2 pens and 3 erasers is count the bolonce a. <40 b. {45 c. ?50 received ofter 7. < 50 notes make { 300. you hove node a. 5 o. t) c.7 8. Rajveer bought a crayon set for ( 55.35 and a notebook for { 22.50. He gave { 1.00 to the shopkeeper. He received a balance of a. { 77.35 b. { 33.25 c. < 22.L5 9. Tick the incorrect sentence. b. 4 five-rupee coins make < 25. d. 8 five-rupee coins make { 40. a. 5 two-rupee coins make { L0. c. 1.0 one-rupee coins make { 10. 10. lf 2 chocolates cost { 55.50, then the cost of 1 chocolate is b. < 27 .75 ooc. < 25.25

The bus route and the fares of a citv bus service are given below. Cricket Stadium Post Offic'e School Beach Libra ry Bus Station Number of halts Adults Children Senior citizens (from 5 to 12 years old) (above 60 years old) 1 <10 t8 Z (I) <6 t10 <IU {1s 3 {20 {20 4 or more { 25 1l-) Using the above information, work out how much each of the given journeys will cost. The station on which the passengers get down will also be counted as halt. a travels from An 11-year-old boy with his two Bus Station to Zoo classmates Cost ok An adult woman r+i-E-..E^l-l'ao-m^* with her 75-year- Library to School old mother Cost L^ ' Mr and Mrs tames t>r.:w:a:-lf\\r-^m (adults) with their Beach to Cricket Stadium son7-year-old

_T ata lFlJandllling l1 Oata handllng is a method of collecting data or facts. ;1 Collecting and Representing Data i Collect data from the students ofyour class to find out their favourite hobby. |' Hobby Number of students Dancing Basketball d.' a Football ii Keaorng comrcs Answer the following questions based on the above data. 1. How many students reading comics? Which one is the most popular hobby among the students? How many students like painting? Pictograph A pictograph is a type of data representation in which a picture or a symbol is used to represent data. Ancient people used pictures or symbols for counting and denoting objects. A pictograph has a title, a a symbol and a key.

l Flowers in a Bouquet Label Flower Number of flowers i Rose * * *($)'-\".0\"' Jasm ine ***** Daisy ******* $xey: represents L flower. Title: lt tells the information depicted. Label: lt describes the category ofthe data. Symbol: lt is the picture depicted in the pictograph. Key: The key tells the number of articles each symbol stands for Construction and Interpretation Example 1: From the table below construct a pictograph showing the number of ceiling fans sold in 4 days. Day Number of ceiling fans sold SundaY Monday Tuesday Wednesday Steps of constructing a pictograph: Step 1: Read the data from the above table. Step 2: Choose an image t to represent the data. -Step 3: One represents one ceiling fan. This is called the key. Step 4: Draw the appropriate number of images. Step 5: Give the pictograph a title.

Daily Sales of Ceiling Fans Number of ceiling fans sold t-t-t-t-k Monday ++-t-k-t f .,i c<:a Key: represents L ceiling fan. Example 2: lce cream bars are distributed among the students of Class 3. Answer the questions based on the given pictograph. lce Cream Bars Distributed Flavour Number of ice cream bars ,str.*b\"rry ,a/)/2 ivanilla i//la/a///a ichocolate i///ar)////////: / /, / aaa/,aiBlackcurrant I 1/ lxev: represents ice cream bar. a. Which ice cream flavour is distributed the least? Strawberry b. How many chocolate ice cream bars are distributed? | 15 | @c. which two flavours are the same in nu.b\"r? Giiiill.no

Example 3: The quantity of apples sold by a fruit seller from Monday to Friday is recorded and represented in a pictograph. Daily Sales of Apples Day Number of apples sold Monday Tuesday bbbb6 Wednesday b aobbbob Thursday b Friday o b bbb N 6Key: represents 10 apples. (Note: represents 5 apples) From the above pictograph, we can calculate the number of apples sold. On Monday, 10 + 10 + 10 + L0 + 5 = 45 apples were sold. On Tuesday, 10 + 10 = 2 x 10 = 20 apples were sold. On Wednesday, 10+ 10+ 10 + 10= 4 x L0 =40apples were sold. On Thursday, L0 + 10 + 10 + 5 = 35 apples were sold. On Friday, 1.0 + 10+ L0+ 10=4 x 10= 40apples were sold. 1\". Students of class 3 went on a trip to Ooty. Some of them went for boat rides in the Ooty lake. On the basis of the given information, answer the questions Boat Ride in Ooty lake Type ot boat Number of students Motorboat zvi/\\/r.ivzE:\\ //ii /\\ili 6v/i s/a,i /vr;/\\ /\\.u-,i ,\\.:a/:\\ /\\aY:,\\ v/::/\\ /\\:::r\\' /\\:\\:l\\ Sailboat Raft \\r' \\r' v, s/ El \\, \\r' v/ t./ \\r' \\:r' \\:r' v/ vl Houseboat a\\r.'i 6\\,\\ /\\ar'\\ /\\:::/\\ ,\\4r:'\\ /Vi\\/ ,\\4:r:'\\ ,V.a/:\\ /\\:,l\\ ,4l\\ /V;:/\\ /\\:r:'\\ /\\a:r:'\\ /\\:,:\\ /V:\\/ ZV--/\\ l\\::\\/S/a--/\\ \\Y/ A\\\\l\\Y/::/\\V/in\\://\\;/\\\\//aV\\V6:\\\\-6/\\:?\\ //;\\ ,4:\\ 6l\\

Key: @ represents l student. The highest number of students chose to ride in D. The least number of students chose to ride in ano were equally ridden by the students. d. The total number of students who went for the boat ride is 2. The pictograph below shows five different breeds of puppies on a farm. Answer the ouestions based on the information. Puppies on a Farm Golden Retriever Number of puppies I Labrador Retriever i iA AAA lG:n:n:h\"{-\"ld lRottweiler Pug Key: represents 5 puppies. a. How many pugs are there? b. Which breed has the highest number of puppies? c. Which breed has the least number of puppies? d. Which two breeds have the same number of puppies? 3. Draw a pictograph showing the favourite subject of class 3 students. (Use E) to represent L student.) subject Number of students i- Enelish ' 10 Science :7 i Mathematics :15 EV) iO

4. In a school, the cafeteria served fruit Food I Number of students salad, vegetable nuggets, grilled cheese Frurt 5atao 14 sandwiches and hot dogs for lunch last 72 week. The principal wants to know which Vegetable 18 food the students ate the rhost. Nuggets Grilled cheese Draw a pictograph to represent the data sandwiches t(use to represent 2 students.) Hot dogs LI ec some students as a part of environment club activity, collected empty soft drink cans thrown bv visitors on the beach for disposal. The number of cans collected in a week is shown below Daily Collection ot Cans Monday Number of cans Tuesday Wednesday 6StSA6 6f,&& lnursoay 606S04 Friday t66taa a666n& 646 e8il 686C SKey: represents 10 cans. a. On which day did students collect the highest number of cans? b. On which two davs did students collect the same number of cans? c. What is the total number of cans collected in the whole week? d. on which dav did students collect the least number of cans? Write 5 advantages of keeping our surroundings clean' Bar Graph A bar graph consists of vertical or horizontal bars whose height or length depends on the amounts or quantities that are to be represented. Bar graphs make it easy to compare the recordeddata.Abargraphhasatitle,verticalandhorizontalaxes,alabelandascale'

The table below shows the favourite cartoon characters of some children of class 3. Cartoon lNumber of +I'R character I children Pooh €9)- Donald Duck =A Dor:emor.l o i2 Jerry 8 Pooh Donald Duck Doraemon Jerry Ca rtoon cha racters ----------> Example: Look at the bar graph showing the T2 number of activities done in a class during a week. II a. Children did the highest number of activities 10 on Tuesdav 9 b. Children did the least number of activities on .9 8 Thursday 7 c. What is the total number of activities done 6 by the children during the week? 5 @.@*E.E.E=@ o, Total number of activities done by the children E3 during the week is 38 z2 'L 0 \"o*o \"$-$o' \"\"- -.\"- ..'.\" udy5 ---------------t Ei a.Draw the bar graphs for the given data of class 3 students. Favouritevegetables Vegeta ble Spinach Cabbage Broccoli Lettuce 6 5 : Number of children Write the advantages of eating green leafy vegetables. Which one is your favourite?

i b. Favourite book Book Comic Story Puzzle Fables 5 10 6 Number of children 4 Hockey How does reading books benefit us? 10 c. Favourite sport Sport Cricket Football Volleyball Number of children 6 What is the significance of playing sports regularly? aDIAgSI4IE,u!/ Objective: To learn to investigate and represent data. Materials required: Paper, pencil, eraser and chart Method: Make groups of 5 students each. Each group gets a topic on which they have to collect information. Example: snacks, subjects, channels, pets, vehicles, etc. The groups interact with other groups in the class and collect data and represent it in the form of a pictograph. They then represent the data in the form of a bar graph. A discussion is held in the class. The groups ask questions from each other based on the interpretation of the data. -r -16b.

1.; Draw a pictograph showing the favourite outdoor activities ofagroupoffriends. i ;r- I AAcctivtiityvitv I Number o'f children :^ Lycllng 4 i : qkatinp 2 i: k,,r..ia l.l,vr. ns 6 : su,inmi^o I i $(use to represent 1 child.) :: Use pictograph to answerthe following questions. a.: o. Wvv,,h,!,i,ch qavcuYti,!v, ity irsJ mrtrvor! re pPvot/vpivur,lar, kite flying or skating? i b. How many friends chose swimming as their favourite activity? i c. What is the total number of children who like cycling and skating? iz. the followins table shows the favourite foods of students in a class. i, I Favourite food Number of students Dosa 10 I Sandwich 12 !: rtudrl li 8 :: cutlet 74 : I Draw a bar graph to represent the above data. Then answer the following questions : a. What is the difference between the number of students who like cutlet over idll? i b. How many students do not prefer cutlet? ic. Whatisthetotal nu m ber of students who do not like dosa and sa ndwich?

1. Answer the questions based on the following pictograph ((, = 1 person)' Favourite item Number of persons lce cream o0 0(,0(}()() ()0 (}(,()90C, oooo(,C) chocolate Bhelpuri (}(} Juice (,999999 A. The number of persons who like chocolate is c. L4 c.8 a. 9 b. 1s c. juice B. persons prefer juice over bhelpuri. a.5 b.3 C. The most popular item is a. ice cream b. chocolate 2. The bar graph shows the mode of transport used by Sanjeev in one month Read the graph and answer the questions. A. sanjeev used the train for days more than the bus. b.2 B. Sanjeev spent the least number t- of days going by . I a. ous b. flieht +6o4 c. train - E2 c. sanjeev travelled the most 2L by 0 b. bus es od c. tra In ^-\" a.-*Modes of Transport -\"------ rgl- L-LI .I T g. -LLT-.

Choose the correct answer. A. 8000 + 700 + 60 + 5 is Written as a. 8765 b. s678 c. 80765 B. The number with 8 ones, 2 thousands, 7 tens and t hundreds is a. 8279 b.2879 c. 2978 C. The missing digits in the given subtraction problem are T-'l 0- rtl--- a. 2,3 b. 3,2 . A< 65 197 D. Thisnumberline o#1re2D34re5s6e7891011 12 13 nIs a. 4x3=12 b. 3+3=6 c. L2+0= L2 E. Which number line represents 12 + 3 = 4? \".0l ,t/2-3-4V5l,,6It,-,7l -V--V89-1_0tl\\ b. /--\\,/-\\,2--\\ 12 01234567 8910 11 12 2. Answer the following: A. Mohan's father gave him { 540 and his mother gave him < 1785. He spent { 280. How much monev was left with him? B. Find the missing digits in the following problems. \"'nuEe b.26[f +3sE83n4 9 x3 886 There are 18 pencils in a packet. How many pencils will be there in 30 such packets? nD. Fill in the boxes in the division with the correct numbers. n 2 _T7I1EoIETIF- _trtr+ 57 ---5r6r-

1. Choose the correfi answer, A. Tick the figure that is divided into equal parts. o. O B. Tick the next two nu mDers in the pattern: 72,23,34, 45,... a. sa,6s [-_-l b. s6,67 [--l c. s4,45 [-l C. Which one of the following is in ascending order? a. 1 m,2 cm,3 m [-_l Cb. 4 m,4oo cm,4 cr .. 60 cm,2 m, 320 cm [-_l D. { 5.85 is equal to b. 585 paise c. 85 paise a. 58 paise 2. Answer the following: A. lf 1 L of milk costs ? 20, find the cost of 5 L of milk. B. Write the number of edges, faces and vertices ofthe following objects. Edges b. Faces Edges Vertices Faces Vertices Convert. a. 4 m 70 cm into centimetres b. 3 L 450 mL into millilitres c. 3 kg 50 g into grams D. Comolete the bill and find the total amount. S. No. Item Rate per piece ({) Quantity Price 7 Bat 120.00 L 2 Ball 6s.00 2 5 cap 30.00 3 Tota I

Glossary 1..... - arro\"rr,..a* Addends numbers. to be added Ascending Order arranging in the order of the smallest to the largest Bar Graph a graph that uses vertical or horizontal bars of different lengths to represent the data values Capacity the amount of liquid a container can hold collection a group of things Conversion the process of changing from one system, method or unit to another Currency the system of money used in a particular country Data facts or information used for making calculations or decisions Denominator the number which is below the horizontal line in a fraction Descending Order arranging in the order of the largest to the smallest Dividend a number that is to be divided by another number Divisor the number which divides another number Estimation an amount that you guess or calculate roughly using the information available Expanded Form to write a number in a longer form Face Value Fraction the actualvalue of the digit .r.','^:i. Le neth \\:.7a drvrsron or part ot a whole - the measure of how long something is in size Line of svmmetry the line that divides a figure into two identical halves Minuend the number from which another number is subtracted Multiplicand a number to be multiplied by another number Multiplier the number by which another number is multiplied Numerator the number that appears above the horizontal line in a fraction

l a regular arrangement of a set of lines, shapes or things repeated Pattern over and over again Pictograph a pictorial representation of numerical data in which the values are Place Value shown by pictures or symbols. Predecessor Quotient atanlce cream flavour I Number of ice creams distributed Remainder Sequence Strawberry subtrahend Successor Vanilla ;trr,)r,), Symmetry Timeline the value of a digit in a number depending on its position or place in Vertex the number Weight the number that comes just before a particular number the number that is the result of dividing one number by another the amount that is left when one number cannot be divided exactly by another a group of related things that happen or are arranged in a particulal orde r the number that is to be subtracted the number that comes just after a particular number a figure is said to have symmetry if it has two halves that are exactly the same a representation of important events in the order in which they occurred the point where two edges of a solid shape, or two sides of a plane shape meet the measure of how heavy a person or a thing is

Answers to Selected Questions Chapter 1 2. a. 2OO b. 200 c- 400 d. 400 e. 900 t 1100 g. 1300 h. 2800 i. 5000 j. 7700 f,r€nire 1.1 L a. Two thousand thr€e hundred eighry-five 3. 1500 toy crrs b. Tbr€e ihoNand eight hudrcd sixty-nirc 5. 235, 236, 237,238, 239, U0,241, 242,243,244 6. 450, 549 c. Fiv€ thousdd twenty-sevo Rerdsloo Stltior d. Eight thou3ad eigbt huftlred fifty-two La.E b.E c-O e. NiDe thousand s€vetr hudred firy-fir€e 2.4608 3.600 4. 9999 5. t671,1673 6. tO23 +42. a. 1964 = lmo + 900+ 60 b. 2554 = 2000 + 500 + 50 + 4 7. Four lholl3aDd five hundred trinety,eight, 4000 + 500 + 90 + 8 90c. 3690 = 3000 + 600 + d. 3900 = 3000 + 900 8. 500 9. 101 10. Even Ie.4146=4000+100+40+6 556? = 5000 + 500 + 60+ ? tt. u21, 7641,7444, 9980 g. 6899= 6000 + 800+90+9 h. 7012 =7000+ l0+ 2 Ascerdiry order g2l < Zl40 < 7641 < 9980 i.8l8l=8000+100+80+I D€scendiDg ordq: 9980 > 764 | > 7440 > 6421 3. L. 1236 b.2999 c. 3600 d. 5555 e.8970 12. 1186, I188, 1190, 1192, 1194, 1t96, 1198, 1200, t202, 1204, 1206. 1208, t210, 1212. 1214, 1216, 1218. 1220 4. A.^.3 b.3000 c. 30 d. 300 e.30 f. 3000 B. a. 800 b. 8 c. 800 d. 80 e_ 8000 f. 800 13. 1011, 1013, 1015,1017, 1019, t02t,1023, t025, t021, t029, 5. a. 1280 b. 2753 6. a. 6,6000 b.6600 1031, 1033, 1035, 1037, 1039 Ererclse 1,2 5 400a. 2000 + 400 + 90 +b. c. 2500 d.1320 5 te. 2000 + 900 + ,10 + L A.2416 8.40\\3 C.4563 2000+90=2090 a. 2414 b.4513 .. 3564 g. 2 -+ 2, 4 -+ 4,9 -+ 9, 5 -+ 5 Erercise 1.3 d. 7943 e.8433 f. 5103 Scranbled nmbers l. a. 3844 b. 4898 c. 6839 d. 10'77 e.4307 t43 t43 2. !. 3497 b. a47'7 c. 2313 'l'7399 4t3 341 3. 2000,1998 341 413 Ercrclse 1.4 Chapter 2 c.78 d25 l. a. l2a6 b.5134 c. 1901 Let's R€crU 2. a. 3496 b.8436 c. 3093 2. a.29 b. 74 llglee5 srudents Exe.cise2.l Erercb€ 1.5 b. t989 < 2120 < 3864 < 6002 389 d. 755 e.765 f. 987 b. 8468 > 7398 >3878> 3794 l. a. 159 b. 339 i. 788 j. 390 k.667 l. 834 1. a. 2184 < 3842 < 4986 < 5026 g. 841 h. 879 p. 1367 q. 1508 r l32l 2. a. 98t2 > 9218 > 9189 > 9128 m.520 n. 421 473 3. 3940 > 3860 >3480 Exerclse 2.2 lyElr23o < r3ro< l32o 2. 600 sedhelh 3.914bags l. 558 sntdents Erercbe 1.6 lEja35 books 4. I I04 peolle l. a. 6430 3046 d. u20 2046 8751 1578 c.98ll ll89 2. a. 3479 rr. 9743 9E3l 1389 2. 348 3.748 4. 989 5.997 Elerclse 1,7 IIots l. a. 3218,1028 215=105+ll0 373=lO0+273 2. a. 9879, 6211. 8417, 9123 b. 1100,7076,2084 Additior using a map 3. a. 9999 b. 1000 b. 1243, $a7 t. 474 2.625 Elercise l.E Elerctue 2,3 3.569 L a. 10 b.20 30 d.40 e.70 f. 130 a. 518 b. 1000 c. 792 d. 770 e.766 f. 922 g. 410 h. 320 i. 1920 j. 27rO g.755 h. l0l0 i. l16l

Erercise 2.4 Chapter 3 l. 779 visitors 2. 367 people 3. 408 ons 4. 1009 Erercise3.l 5. a.922 b.916 c. 826 d. 557 e.'104 f.965 r. a. ll5 b.310 .. 464 d. 534 e.524 t 601 g.754 h.826 i. 831 d. 632 e.814 t 913 Fun with Mrths 2. 4lO b. l2l c. 613 l. { 670 2. I 190 l. 1790 ^. L l99 2. 1098 3. 1000 4. 100 5. 07 Exercise3.2 b.264 c. 357 d.403 e.472 t 583 h. ?06 1. a. 247 i. 868 g. 607 b.< Exercis€ 2.5 2.a.< l. a. 1000,998 b. 810,817 c. 600,601 Exe.cise3.3 1093d. 1090, e. 140.741 L 410,4t2 l- a. 112 b.223 c. 212 d.0 e.217 I 589 8.233 h_ 231 i. 821 j. 106 k. 189 I. 1010,1006 h. 1200, 92 ;. 1260,1260 m.205 n 175 o.274 p. 505 q.619 L l85 L 278 2. a. 800,793 b.700,634 c.400,422 d. 800,817 e. 900,897 I 800,775 3.800narks 4. 1700 L a. rl02 b. 1242 .. 2222 d. l34l e.3301 t l4l2 g. 3095 h. 18?6 i. 6382 j. 2865 k.8008 L 186? Ex€rcise2.6 2. 3200 1. 7462 b.7564 c. 8666 d. 1246 ^. 3. a. 1165 b.2lll c. 2100 d. 2238 e. 952 | tgll e. 9196 f. 9697 4. 2362 5. 622 6. 853 7. a. 123 b. 100 c. 67 d. 246 c.891 t 669 L a. 4231 b- 9245 c. 8133 d. 82ll 343-10=333 619-100=519 3843,1000=2841 e. 9430 I 516l 8 4345 h. 8530 493 - l0=483 775 - 100=675 -4235 1000 = 3235 i. a2o2 j. 9823 k 7346 549 .. l0= 539 844 lO0=144 5678- 1000=46?8 t. 6962 674-t0=664 1245-100=1145 8008-1000=7008 Exercise 2.8 b. 8644 c. 7686 l. 9597 balloons HOTS b. 8580 c. 5862 l. a. 5821 2. a. 5356 lyg 87e3 bonles, puncruar Exercisc 2.9 184 l. a. 14 b.22 l c 2.b 3. 5.b 22 205 l. a. 3790 b. 4339 c. 2809 d. 549 EEE 475 9 -128 '\" l;Iu*T*l t Fl;6ro,[,r;|flofoil] I 7 I2 34 @r;T*Lfr;tI !=rodl-n \"EEE 'TEE 1630 940 560 l4l'7 450 293 248 422 -109 187 1538 883 555 r00 9 122 150 lr8_] 139 t592 3E5 460 506 328 l4l 977

\" EENE l' a. 628 b. 224 c- 669 d.248 e. 844 t 36! 4761 i. 996 j. 808 .' 1287 g. 633 h. 608 k. 824 l, 66{ c. 1872 d. 1888 2. 592 b. 1386 e. 1012 t 8!2 i. 2t42 ^. g. 1560 h. 3015 347 4 E Exercise 4.3 c. 1716 d.7974 e. 7124 f. 5096 2 488 I 093 a. l32O b. 2574 1. t2032 g. 5736 h. 6130 I3 95 L ll30 2. 2t84 3.2608 4.1664 5- 3402 643 E l. a. 980 b. 400 c. 540 d. 800 e. l2l0 -324 5 t 3150 g. 510 h.910 d. 350 e. 270 c.810 7 2. a. 850 b. 490 h. 1980 3 1 88 f. t625 s. 2870 Exercise3.5 La-40 b. 150 c. 320 200 e. 1800 g. 6000 l.310km 2- 89 stamps 3. llll books 4.889childr€n t 4500 4. 140 l. 80 5. 148 lyEl r 4?oo, emparhy towards nankind h. 7000 9000 Etercise3.6 5. e000 l!gl< 2750, b. Empathy l. 2150 balls 2. 33 hn 3. 25? cbildren 5.779t203 La 2.c 3.c 4. a 5. 6.c 7.a 8.c 9.b { 176 ^84 6. 362 stamls Lis t 7490j Sensitiviq/ towdds enviroment 10. 11. 1. b.420 120=300 c.380 130:250 d.730-320=410 I. a. I050 b. 600 c. 120 d. 390 2.b. 4600-2200=2400 c. 7400-5400=2000 2. 160 { 100 d.3300-1300=2000 I108 3. a. a 420 I180 Exercise3.8 c. 3534 d. 0 e. 6578 { 150 { 250 h.0 i.0 {12 <20 a. 4224 b. 0 f. 5125 g. 7638 b. I 1680 l b 2.c 3.b 5.b 8.b 9.^ 10. b Chaptcr 5 JYoungesl Preelha b. Manisha l4years Ercrcise5.l d. A+4:2 e.24+ 6 = 4 Preeiha l0 years 1. b.6+3=2 c.20+5=4 c. A= 6, M= 6. D:3 2. a. 1060 kft b. l60km c. 79 km e. A:8,M=8,D=4 2. b. A= 10,M= l0,D=5 d. A= 16,M = 16, D =4 Chapter 4 Exercise5.2 l.^.2 b.3 c.2 d.5 e-8 l. a.72 b- 56 c.6 d. 14 e.40 f. 20 Lb.6 c.3 d. l e-8 t8 mE1.428 h. l8 i. 49 j. 15 k. 20 s. 36 n. 54 o. 27 p. 50 q. 35 r63 1. 30 u. 8l

l. b. 24+ 3 =8 c. 27 +3 =9 d. 28+ 7 =4 Ex€rcise5.E 27 +9 =3 28+4='7 24+8=3 La. Q=l0l R=I f.35+7=5 E 42+ 6:7 e 32+8=4 b. Q=100;R=l 42+7=6 32+4=a c Q= 106; R: I i.54+6=9 j. 72+8=9 h.45+9=5 d. Q= l08t R= I 45+5=9 54+9=6 72*9=8 e Q=l00iR=0 2. Division fact Muliiplicanon facr i Q= 107; R=2 b.32+8=4 8x4=32 c. Q= l00i R= 3 h. Q = 106; R=2 c. 2l +3 =7 7x3=21 d.42+2=21 r Q= 109; R=4 2tx2=42 j. Q:100; R= 0 Ercrclse 5.5 k Q = 105; R:2 c.0 d. I e. 78 t.0 L Q= l00j R= 7 l a.0 b. l i.0 tt Q= 102; R= I 8. 155 h. I c. t2 d. 1l e. 34 f. 23 n. Q= 107:R=3 Exercise 5.6 '. 42 j. 32 k2t l.32 o. Q- 100; R= 5 l. r. 14 b.21 P Q=108;R=5 .. 746 d. 923 e. 1733 g. ll h. ll Xx€rch€ 5.9 l 2. a. Q=4:R=2 b. Q=7jR=1 l. a. 535 b. 871 9 c. Q=4;R=3 f. Q=668i R= I 3 c Q=586;R=3 7 d. Q=7;R:l 5 h. Q= 627; R =2 e. Q= 8i R=2 2. i. Q= 685; R-2 t Q:7; R= 3 j. Q = 1057j R=2 9 g. Q=8jR=4 k. Q= l5l2; R = 3 5 h. Q=8iR=5 l. Q: t65t; R= I i Q =8; R-6 j Q=9;R=l m.Q=1207;R=4 k. Q= loj R:5 L Q= l0;R=4 n. Q:1450; R= 3 o. Q= 1231; R=6 La.3l b.6l c. 123 d. 84 e. l2l f. A c. 7l i. 246 j. 104 k. 92 L l09 p Q= 1171 ;R=4 h. 61 Exercise5.10 2. a. Q: ll2; R=3 b Q=148;R=l Division c. Q= 127; R=2 I53 + l0 l5 d Q =243; R= 2 504 + I0 50 7a e. Q= 149t R=2 789 + l0 292 2923 + l0 300 I Q:198; R = 3 434 3007 + l0 g. Q=l44jR=3 6M h.Q=l22iR=l I 4345 + 10 800 i Q=167;R:l B. 6042 + l0 j Q=429; R= I 9t2 l Q=312;R= I h. 8002 +10 966 L Q=3l7jR=2 9129+ l0 9665 = l0

Elerclre 5.11 2. 906, 2 apples lefr Revtsion St tion l. 221,3 clr& bn 1.c 2.a 3.b 4-. 5.c 6.^ 7.b lldlyEl{ 22s0, €ftparhy and caring 20 slprinss, no ch€nicars Revtuior Strdon Anui l8hn l.b 2. c.4 d.0 Rahui 12 kn 8.b 9.b Ame 5. a. 24 b. 6 th 6.c 7. Stlnil 6 km 1. a. 4j b. 136 c. ll6 a. zPre@s D. 4 .-! 219 5 ep; 718t2 Chapter 7 -8 -6 -7 Ererclse 7.1 c. cylinder d. cone 15 22 ll 1. a. @be b. cuboid e. sphe.e f. cube - 14 - 18 -7 I 40 42 2. e. edees 12 €dges 12 c. edges 2 R=1 -36 -42 Q=47 R=4 0 d. €dg€s 0 edges I Q= 136 2. ? rnarbl€s, 8 pmoDs R=0 faces 1 faces 2 3. a. Divisor:103 Q= 116 Dividdd=414 b. Divisor = 10 d. cuboi4 6 c. cylinder 2 Dividend:6166 Quolient = 4 Erercise 7,2 2. D Remainder:2 Quotidt = 616 ' '-.<B 4.G H (Asw6 m.y vary) Chapter 6 Ercrcise 6.1 3 2. B2 SL 85 SL 1.b.4 8 d.+ cl CL SL '- 2 3. b,c \"1 ,J2 f.? c6 SL ^1 CL rZ 5. D3 CL D6 SL o.n CL F6 Exerctse 6-2 Ererclse 73 1.b.4 c.2 d.3 e.3 f.4 2. b.3,3 c.6,6 d.2,2 e.2,2 3.; 4. i 5. jofro=5 6. +ot2t=7 Patten Mrthi b. shape triangle c. sbape-.r€clrlgle sides-3 sides O sides-4 ;of 14= 7 iot2t:7 vertices-3 venices-4 + of l8:6 )or v: t air lyElcircre 2:ofl0=5 j.rro=e Revisiotr Strtion I -_- , ior24:8 l. A.b B. b .2 2. A.a B. c Exerclse 63 ,2 ^ 2 lyEli

t Chapt€r 8 2. a.2kelz0g b. l5 kg 202I c.8kgl31g d.3lkg370g E*rcise 8.2 b. 131 l4l 151 e.50ke301g f. 32k9347 g d. 50 40 3. 5 kg 650 g 2. a. DE EF FG 4. 6l kg 1009 5. 15 kg c. 42 52 e. D4 E5 F6 Exercise 9.6 3. a. 10,20,30 b. 8.10,12 c. 7,9,11 d. 15.20,25 l. a. 3000 ml b. 4250 mI c. 1299 mL d. 4569 mL e. 37.47,57 t 200,250,300 e. 7399mL I 2821mI g. 8349mL h. 5629 mL LS.. 60 minutes. healthy body md concenrration 2. a. 3L b.8L723 nl, c. 4 L785 mL d. I L 635 mL e. 2L426tttl f 4L496mL A.5L259nL h. 6L362 ml Elerche 8.4 t. a.7L755ril, b. 9L745mL d.70L600mL e.57L560nL 2. a.S b. NS c.NS d.S 2. a. lLl50ml b.6L630mI l. c. 550 d. 500 e. AAAAAB 3. a&c d. l6L400mL e. l3L600mL c.23L700nL Chapter 9 3. l4L50OmL 4. l0L820mL t 97 L 700 mL 6.2lL222nL 7.6L c. l3L600nL i l0l,l00ml, 5. 11L300nL Eiercis€ 9.1 1 a- 700cm b. 8900 cn c. 9500cm d. 9800cm Erercise9.8 e. 450cm f. 6060 cm g. 8406cm h. 9590cm 2. a.2m b. 9m c.24m d. 75m l. a. km b. cm d.n e. km f.cm e.4m25cin f. 5m32cm g. 13n26cm h. 26m34cm I.km h. cm i. cn j.m k_n Lm 3.a.> b.= d.> f.: 2. a.500m b. 50 cm c.200mL Ererclse9.2 3. a- I L< 1350mL< 3 L< 3250 mI b. I L< 1950mL<9L<9150mL 1. a. 3000m b.4000m c. 1800m d.4650m e. 9100m I 9250m ng. 22300 h. 30423 m c. 4 mI < 4 L < 4040 ftI < 4400 mL 2.a.4km b.5km c. Tlon d.9kn -4. a. Bucket of waler L e. 5km427m f. 8km743m g- 9km764m h. 9krn8am b. Bottle ofeye drcps rnl- c. Spoon ofwate. mL 3- a. 3 km < 3200 n < 4300 m < 5340 m < 7 km < 9 lm d. Jus ofjuice L b. 56km> 9000 m > 2900 m> 2km> 1000nl > 260 m 5. a. False b. True c. False d. False e. False i Fahe 4.a.m b.km Exercis€ 9.3 Revision Station L a.27m60cm b. 89m57cm c.59m5?cm L a. t kg polatoes d.96m65cm e. 67099cm I l19n85cn 2.a-E b.kg c.8 d.g e.ks tkg 2- a. 15m54cm b. l2n6cm d. 48 n 13 cm e. 45 m 9 cm c. 9m29cm 6. a. 10009 b. 2000 mL mc. 500 d.m 7. a. 125 cm 540 cm d. 3000I 3. 3 m65 cm 4. 16mlocn f. 26m23 cm 8. a. a bucket b. d.260cm 9. a- 2000 g b. 9040 g 5.45m95cm mL10. a.6000 b. 56349 c. 7255 rrl d. 4799 E d.2360mL 6. Arlit lhrows the ball fanher by I 3 m 25 cm b. 5l76ml L5=. 2 kn 200 m, he3llhy bodr tro pollution l. a.80009 b.3629E c.3299A d. 45699 ge. 7350 f. 2821 g Ee. a249 h. 3729 E 2. a. I kg b. 3kA726g .. 2k859'19 d. 4kZ642g e.5kg940g | 5k8 g.6kA437B h.7kg777E RanmnL a. b. Fri.lay, Saturday aDd Smday c. 100 m d.750m me. Ankit = 7020 Ralm=6580m 1- a. 7 kg 8349 b. 13 kg 9849 c.25k96049 2. ^. <61 b. 1700go.lkg700g d. 79 kg 656 g e.33k9746E l40kg849g c. Bag containing onions dd lotaroes

Chrpt(r lll Lb. ll00 c. <50 d, l ll0ll tll0 Ercr|jh lll,l lyEl < 1e5, horesty o. l{) o cbck, l0:00 Exercise U.2 d. 30 min p.st 2, 2:30 1. a. Severtccn rupees thirty-four paiao @@@@@ 5:30 9 o'clock 8100 ll o'clock HalfpastT b. Thirty-four rupees nfty paise '\"@ \"@f,!€rcise 10.2 c. Seventy-three rupees @.@ d. Nincry-fou. rupees ninety-nine pri8o e- one hundred twelve rupees eishry\"nvo nrlr, t One hudrcd thirt-two rupees ninely.llva |ttht g. One hundred ninely'eighl rupees nincly.nva l|rh, h. Two hundred 1en rupees sevenr/-fiv€ plhr 2. a. { 14.05 b- { 53.60 c. { 34.99 d I ll llll e.<50.15 t 199.99 g. {60.60 lr, llllll ' Ererch€ U.3 b. { 8r.70 c. { 136.85 d I I lr! lll (!, I ln0lll 1. < 69.70 I I l15.70 c. {29.30 , ^. b. 128.25 f. <46.40 e. < 62.t0 e. { 60.92 5. 190.50 2. a. < 40.00 4. t 82.00 d. < 16_60 3. t 25.00 2. a.25dinpast3,3:25 b. 20minto 9,8:40 L::t c. l5 min to 8,7:45 d.5miDPdsrll, l1:05 L Cross the inconecr ime. l0 ninutes L a. 148.69 b. < 272.00 c. ? 432.20 d. ? 276 7(l a, To eat a sddwich 45 ninutes e. 1556.60 t <l?4.30 b. To bake a cake a year c. { 12.43 d. I 14 c. To consttuctabridgc 2. a. I 11.33 b. { 13.07 c. 129.35 | {197.00 5. t 1316.25 6. 125$ 4. a. 8:15 b. 2:30 c. 4145 d. 7:45 e. 9:30 L t 1391.75 4. I 10t6.75 5 a. s<(ond. b. houh c. minuler !. &y: Exercise U.5 lVFlo.20. 8.15. b. drscrDlinc 1 a. { 743.00 b. { 174.00 c. < 1008.00 Exercise 10.3 c. Wedncsday d. Lb 2. ^c 3. a 4-^ 5.b 6. l) g. Suday 7.b 8. 9. b 2. a. Satuday b. Friday 10. b c. Monday t Tuesday La 2.c 3. c a. { 45 a. 135 a. 165 7.a 8.b 9. b l0.b 11. c 12.a Chapterl2 Exercise l2.l Chaptcr 1l L a. Rafi b. Houseboal c. Mororboar ud sailboat d. 56 L a. 50 b. 210 .. 57 d. 290 2. a. 15 b. Labrador Rebiever c. Roltweiler 2. a. yes b. {47 c. (15 d. Ccmu Shcphcrd and Pug

Fruit salad X?aX?Xt?TeX\" TI Revisiotr Stldon b.3 c.6 1. a. kileflying b. 30 c. 22 nuggels r?x??xitrexx 2.a.6 hlled chees€ x? x? ?X?xe r?r'?rarra B.a c.b Hot dogs x??x??ralreraxa r 2. A.b B.b C.a Ercrclse 12.2 IPractlce She€t c.b D.a B,A 2. A.<20/'5 b. B. a. C. 540 ptucils D tzs 718e7 -7 l, - 14 57 -5 6 1 1. A.c B.b c.c D.b 2. A.l 100.00 B. a. 12,6,8 b. 0,1,0 C- a.4'70.n b. 3450n1 c. 30509 D. { 340

a455'{o*'\"u\"''\"'d;;'.\\> i'tt^\"*rt t r 'a\\ t''\"- \"A ?9\\\\ o' 9\\ fiilt g I ^St :3/ / Vl,/ b rc$ ${ dt il R.ou(6 rh'hbl. rii irt bool Ue$!bknb!|ovbqnkr'o!ifl[ Ma03oesTx3wkmml 49037604971 8st Mac-Genie, Anytimel Anywhere! At your Pace! Macmillan Education brings you a must-have educationat app 'Mac-Genie'. Mac-Genie Provides you with an array of fun-fitted, interactive exercises on mathematics and English grammar on your smartphones for learners between 5 and 14 years. You can now access the app at home, on thb why Mac-Genie? > Provides high-quatity practice exercises such as MCQ5, gap-fitts and matching > Includes quick tips to sotve maths problems > Gives step\"by-step feedback to each solution

eEg Edition -Maths Xpress for Classes I to 8 has been developed by Factising teachers and maths experts. Based on the latest pedagogical approaches to teaching math€matics, th€ series provides a strong mathematical focus and plenty ofopportunities for Continuous and Comprehensive Evaluation. The series is based on the premise that all students can become powerfr mathematical learners. Special Fealures . Leds Recal recapit'rlates previous knowledge of concepts . Maths Around Us helps students apply mathematrcal concepts in real-life situations . HoTs/Target olympiad empowers students to ahink out-of-the-box . Sp€ed Maths/Menral Maths pr€pares students to carr'' out quick calculations . Take Car€ helps students avoid common errors . Maths Lab Activity and Project connect maths l'rith reallife situations . Fun With Maths and Maths Game reinforce the concepts taught in a fun way . Enrich You$elfprovides deeper insight into the concept under study . Revision Station helps students in assessing theh urderstanding ofthe concepts learnt . worl..sh€et helps in reinforcing the concepts learnt . Glossary serves as a ready reference . Practice Sh€€ts aid in comprehensiv€ evaluation . Maths Engine includes tasks that foster creative thinking and problem-solving skills among students About the Author Dr Revathy Param€swaran, vice principal of P S. Senior Sec School is also the recipient of Distinguised Fullbright award for teaching. She is also the recipient ofTeach$ of Outstanding Merit Award 2010 by Ramanujan Maths Academy. She has 24 y€ars ofteaching experience and enjoys conducting workshops. Her work has been published in lntemational ioumals. IA t1g9 Macmillan Publishers India Pvt. Ltd. www.macmillaneducation.in


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