9789353750534-PINNACLE-G04-MATHS-WORKBOOK-TERM2_optimized

MATHEMATICS 2 WORKBOOK - TERM Enhanced Edition PNC_Maths_G4_WB_Term 2.indb 1 4 16-09-2019 23:07:36

TABLE OF CONTENTS Chapter Name Page No. 1) Geometry – – – – – – – – – – – – – – – – – – – – – – – 1 2) Numbers – – – – – – – – – – – – – – – – – – – – – – – 6 3) Patterns – – – – – – – – – – – – – – – – – – – – – – – – 12 4) Measurements – – – – – – – – – – – – – – – – – – – 17 5) Time – – – – – – – – – – – – – – – – – – – – – – – – – – 23 6) Fraction – – – – – – – – – – – – – – – – – – – – – – – 28 7) Information Processing – – – – – – – – – – – – – – 34 Term Project – – – – – – – – – – – – – – – – – – – – – 42 PNC_Maths_G4_WB_Term 2.indb 2 16-09-2019 23:07:36

  Chapter 1: Geometry Think Very Short Answer Questions 1) Which 2D figure has all equal sides? Solution: ................................................................................................................................. 2) Name the 2D figure with three sides. Solution: ................................................................................................................................. & Remembering and Understanding Multiple Choice Questions (1M per question) 1) In which figure is the dotted line a line of symmetry?  [    ] (A) (B) (C) (D) 2) Select the mirror image of along the dotted line. [    ] (B) (A) (C) (D) PNC_Maths_G4_WB_Term 2.indb 1 1 16-09-2019 23:07:37

3) In which figure is the dotted line a line of symmetry?  [    ] (A) (B) (C) (D) Fill in the Blanks (1M per question) 4) A line that divides a picture into two equal and matching parts is called a _______________________. 5) The images shown in the picture are called ______________. 6) A rectangle has ____________lines of symmetry. Very Short Answer Questions (1M per question) Tick (P) the boxes beside the images which are mirror images of each other. 7) 8) 9) Draw the line of symmetry for the following letters 10) 11) 2 16-09-2019 23:07:37 PNC_Maths_G4_WB_Term 2.indb 2

Short Answer Question (3M) 12) Draw the lines of symmetry for the given figures. Remember, some figures have more than one line of symmetry or no line of symmetry at all. a) b) c) Long Answer Question (6M) 13) Draw the second half of each symmetrical shape. a) b) c) Application Short Answer Questions (3M per question) 14) Complete the figure on the other side of the line of symmetry. a) b) c) Geometry 3 PNC_Maths_G4_WB_Term 2.indb 3 16-09-2019 23:07:37

15) Draw the mirror images. (Textbook, Pg. 4) b) c) a) Long Answer Question (6M) 16) Draw a square, an equilateral triangle and a rectangle. Then, draw the lines of symmetry in each figure. a) Square - b) Equilateral Triangle - c) Rectangle - Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 17) Name, draw and colour three items that are symmetrical that you can see around you or in nature. 4 16-09-2019 23:07:37 PNC_Maths_G4_WB_Term 2.indb 4

Long Answer Question (6M) 18) Write the name of your school in block letters and draw the line of symmetry for each letter. Activity Observe the shape of five geometrical shapes in the mirror. Draw their pictures and colour them. Geometry 5 PNC_Maths_G4_WB_Term 2.indb 5 16-09-2019 23:07:37

  Chapter 2: Numbers Think Very Short Answer Questions 1) What is the product of 35 and 3? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2) 79 multiplied by 5 gives ____________. & Remembering and Understanding Multiple Choice Questions (1M per question) 1) 7 multiplied by 10 gives ___________. [    ] (A) 07 (B) 700 (C) 70 (D) 17 2) The product of 30 and 12 is ___________. [    ] (A) 360 (B) 630 (C) 306 (D) 603 3) The product of 150 and 4 is ___________. [    ] (A) 500 (B) 600 (C) 400 (D) 650 Fill in the Blanks (1M per question) 4) The product of 450 and 10 is __________. 5) 5 hundreds × 4 = __________ hundreds 6) The number of hours in a week is __________. Very Short Answer Questions (1M per question) 7) 817 × 100 = ? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 PNC_Maths_G4_WB_Term 2.indb 6 16-09-2019 23:07:38

8) Can we use a lattice algorithm to multiply a 2-digit number by a 1-digit number? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9) What are the two algorithms of multiplication? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10) Multiply 310 by 8 using the standard algorithm. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. 11) Is 9 + 9 + 9 equal to 9 × 3? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. Short Answer Questions (3M per question) 12) Multiply the following using the lattice algorithm. (Textbook, Pg. 12) a) 65 × 37 b) 789 × 4 13) Multiply the following numbers by using the standard method. (Textbook, Pg. 12) a) 206 × 8 b) 479 × 3 Numbers 7 PNC_Maths_G4_WB_Term 2.indb 7 16-09-2019 23:07:38

Long Answer Questions (6M) 14) Multiply the following using the lattice algorithm. a) 56 by 47 b) 72 by 63 Application Short Answer Question (3M) 15) A football player spends around 24 minutes exercising in each practice session. How many minutes will he have spent during 87 such sessions? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................................................................... ................................................................... ................................................................... 16) a) In a shirt there are 6 buttons, how many buttons will be there in 8 shirts? (Textbook, Pg. 14) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. b) In a carton, there are 9 rows with 6 eggs in each row. How many eggs are there in all? (Textbook, Pg. 14) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. 8 PNC_Maths_G4_WB_Term 2.indb 8 16-09-2019 23:07:38

Long Answer Questions (6M) 17) a) A hospital ordered 2 boxes of cotton bundles. There are 175 cotton bundles in each box. Find how many cotton bundles the hospital ordered in all, using the lattice algorithm. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................................................................... ................................................................... ................................................................... b) A parking garage has 9 levels. There are 110 parking spots on each level. Find the total number of parking spots, using the lattice algorithm. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................................................................... ................................................................... ................................................................... 18) a) A truck carries 125 bags of rice. If each bag has 9 kg of rice, how many kg of rice will there be in the truck? (Textbook, Pg. 13) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................................................................... ................................................................... ................................................................... b) If the cost of one chair is ₹857, what will be the cost of 6 chairs? (Textbook, Pg. 13) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................................................................... ................................................................... ................................................................... Numbers 9 PNC_Maths_G4_WB_Term 2.indb 9 16-09-2019 23:07:38

Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 15) Find the missing numbers in the given lattice multiplications. a) 2? 2 1 6 7 2 8 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 0 8 3 6 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . b) 32 2 2 4 1 6 8 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1 2 0 8 ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Long Answer Questions (6M) 20) Find the values of a, b, c, d, e and f by multiplying the numbers with the number in the centre. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . a ................................................................... c 16 b ................................................................... 70 62 ................................................................... ................................................................... 1000 x 25 20 e 83 d ................................................................... f 10 16-09-2019 23:07:39 PNC_Maths_G4_WB_Term 2.indb 10

Activity On your birthday, your parents will buy some packets of balloons, chocolates, a cake, etc. Find out the cost of each item and then, calculate the total cost of all the items. Numbers 11 PNC_Maths_G4_WB_Term 2.indb 11 16-09-2019 23:07:39

  Chapter 3: Patterns Think Very Short Answer Questions 1) List a few symmetrical and asymmetrical objects that you can see around you. Symmetrical objects Asymmetrical objects & Remembering and Understanding Multiple Choice Questions (1M per question) 1) Which of the following letters has a line of symmetry? [    ] [    ] J (A) L(B) Y(C) N(D) 2) Which shape comes next in the given pattern? (A) (B) (C) (D) 12 16-09-2019 23:07:39 PNC_Maths_G4_WB_Term 2.indb 12

3) Complete the following: 44, 54, 64, ____, ____, ____  [    ] (A) 45, 55, 68 (B) 44, 54, 74 (C) 74, 84, 94 (D) 44, 45, 46 Fill in the Blanks (1M per question) Draw the shape that comes next. 4) _____________ 5) _____________ 6) _____________ Very Short Answer Questions (1M per question) Complete the following geometrical patterns. (7) (8) (9) Patterns 13 PNC_Maths_G4_WB_Term 2.indb 13 16-09-2019 23:07:39

10) 11) Short Answer Questions (3M) 12) Fill in the next four terms in the following patterns a) 4, 8, 12, ______, ______, ______, ______ b) 6, 9, 12, ______, ______, ______, ______ c) 11, 22, 33, ______, ______, ______, ______ Long Answer Questions (6M) 13) Fill in the missing numbers in the given table. a) 110 130 170 190 210 250 b) 100 700 1100 1500 c) 2300 2100 1700 1500 1300 d) 120 100 60 20 0 14 16-09-2019 23:07:40 PNC_Maths_G4_WB_Term 2.indb 14

Application Short Answer Question (3M) 14) Complete the second half of each picture along the line of symmetry. a) b) Long Answer Questions (6M) 27 15) Observe the pattern and fill in the next two set of boxes. 9 18 36 _______________ _______________ PNC_Maths_G4_WB_Term 2.indb 15 Patterns 15 16-09-2019 23:07:40

Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 16) Fill in the next three terms in the following patterns. a) 1A, 6B, 11C, _______, _______, _______ b) 1A, 5C, 9E, _______, _______, _______ Long Answer Questions (6M) 17) Build the block by filling in the correct numbers. A sample block is done for you. 2800 1200 1600 500 700 900 900 200 300 400 500 400 600 Activity Write all the letters of the English alphabet and then, draw the lines of symmetry for each letter. (Textbook, Pg. 21) 16 16-09-2019 23:07:40 PNC_Maths_G4_WB_Term 2.indb 16

  Chapter 4: Measurements Think Very Short Answer Questions In each set of food items, which is heavier or lighter? Or are they of equal weight? 1) _____________________________ 2) _____________________________ & Remembering and Understanding Multiple Choice Questions (1M per question) 1) Gram can be written as ___________.  [    ] [    ] (A) g (B) gm (C) kg (D) cm [    ] 2) 1 kilogram = _________ (A) 10 g (B) 100 g (C) 1000 g (D) 10000 g 3) The largest unit that is used to measure the weight of an object is ____. (A) mg (B) kg (C) g (D) km PNC_Maths_G4_WB_Term 2.indb 17 17 16-09-2019 23:07:41

Fill in the Blanks (1M per question) 4) Kilogram can be written as _____________. 5) 500 g + 500 g = _____________ = _____________ 6) Our body weight is measured in _____________. Very Short Answer Questions (1M per question) 7) What do you think is the weight of the given objects? Circle the best estimate. a) 4 kg 200 g 2kg b) 6 kg 6000 g 600 kg 8) State the unit that is used to measure items like potatoes, onions and tomatoes. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9) Write the weight shown in the given picture. 1 kg Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Short Answer Question (3M) 10) Add: a) 17 kg + 12 kg + 11 kg Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . b) 32 kg + 19 kg + 14 kg Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 16-09-2019 23:07:41 PNC_Maths_G4_WB_Term 2.indb 18

Long Answer Question (6M) 11) Draw a pointer on each scale to show the weight. Application Short Answer Questions (3M per question) 12) Raman bought 3 kg 250 g of tomatoes, 5 kg 110 g of potatoes and 3 kg 750 g of onions. What is the total weight of the vegetables? (Textbook, Pg. 29) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. 13) Kannan bought some fruits and vegetables whose total weight is 3 kg 480 g. If the weight of fruits is 1 kg 657 g, find weight of the vegetables. (Textbook, Pg. 29) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. Measurements 19 PNC_Maths_G4_WB_Term 2.indb 19 16-09-2019 23:07:41

14) The weight of the first bag is 1 kg 200 g more than the weight of the second bag. If the weight of the first bag is 3 kg 500 g, find the weight of the second bag. (Textbook, Pg. 29) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. 15) A shopkeeper had 275 kg 450 g of coffee powder. He sold 80 kg 475 g. How much coffee powder left? (Textbook, Pg. 31) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. 16) The weights of three babies are respectively 3 kg 650 g, 5 kg 420 g and 4 kg 750 g. Find their total weight. (Textbook, Pg. 31) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. Long Answer Question (6M) 17) a) In a grocery shop, the following items are purchased by Meena, Radha and Kumaresan. Find the quantity of groceries bought by each customer. (Textbook, Pg. 31) Name of the Red chilli Coriander Turmeric Cumin Pepper customer kg g kg g kg g kg g kg g Meena 2 175 4 150 300 150 125 Radha 150 1 125 150 50 50 Kumaresan 2 000 3 200 200 250 300 20 PNC_Maths_G4_WB_Term 2.indb 20 16-09-2019 23:07:41

Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. b) The quantity of red chillies in two baskets are 25 kg 550 g and 10 kg 350 g respectively. Find the total weight of the red chillies. (Textbook, Pg. 31) Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 18) Given below are some objects with their weights. Which different objects from the following would we need to put together, if we want to bring the weight nearer to 1 kg 450 g? Cake 500 g Fruits 300 g Sugar 650 g Flour 2 kg Measurements 21 PNC_Maths_G4_WB_Term 2.indb 21 16-09-2019 23:07:42

Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Long Answer Question (6M) 19) Calculate the unknown weight to balance each scale. 700 g ____ g 4 kg ___ kg 3 kg 300 g 5 kg ____ g 1 kg ___ kg 500 g 300 g Activity Collect the pictures of different types of weighing machines and use them to prepare an album. 22 16-09-2019 23:07:42 PNC_Maths_G4_WB_Term 2.indb 22

  Chapter 5: Time Think Very Short Answer Questions Identify the correct part of the day shown in each picture. 1) _______________ 2) SCHOOL _______________ & Remembering and Understanding Multiple Choice Questions (1M per question) 11 12 1  [   ] 1) The time shown by the clock in the morning is 10 2 93 84 765 (A) 12:00 p.m. (B) 10:00 a.m. (C) 10:00 p.m. (D) 12:00 a.m. 2) Anisha reached a fair at 11:00 a.m. She shopped there for 2 hrs and then she left. The time at which Anisha left the fair is _________ [    ] (A) 1:00 a.m. (B) 12:00 a.m. (C) 12:00 p.m. (D) 1:00 p.m. PNC_Maths_G4_WB_Term 2.indb 23 23 16-09-2019 23:07:43

3) Which of the following is the correct 24-hour clock expression of 3:15 p.m.? [    ] (A) 15:15 (B) 03:15 (C) 13:15 (D) 12:15 Fill in the Blanks (1M per question) 4) To change time from the 24-hour clock to the 12-hour clock, we ___________ 12 from the hour. 5) To change time from the 12-hour clock to the 24-hour clock format, we ___________ 12 to the hour. 6) The time 20 minutes after 12 noon is ___________. Very Short Answer Questions (1M per question) 7) Rohan’s clock is 10 minutes fast. If the clock is showing 12:00 p.m., what is the actual time? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8) What is the time if it is 25 minutes before 12 noon? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9) What does p.m. mean? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10) How will you write 6 hours after noon using a.m. or p.m.? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11) How many hours are there in a day? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Short Answer Question (3M) 12) Write the time using a.m. or p.m. _________________ a) 5 o’clock in the evening _________________ b) 2 hours before noon c) 11 o’clock at night _________________ 24 16-09-2019 23:07:44 PNC_Maths_G4_WB_Term 2.indb 24

Long Answer Question (6M) 13) a) Convert the following 12-hour clock times into the 24-hour format. (i) 8:20 p.m. ...................................................... (ii) 6:00 a.m. ...................................................... (iii) 2:30 p.m. ...................................................... b) Convert the following 24-hour clock times into the 12-hour format. (i) 14:28 ...................................................... (ii) 07:42 ...................................................... (iii) 17:31 ...................................................... Application Short Answer Question (3M) 14) Hari leaves home at 08:00 and returns 8 hours later. At what time does he get home? (a) Write your answer in the 24-hour clock time. (b) Write your answer in the 12-hour clock time using a.m. or p.m. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................ ............................................................................................................. Long Answer Question (6M) 15) Ramani started doing her homework at 6 o’clock in the evening. She completed her homework in 45 minutes. She played for half an hour and watched her favourite cartoon on television for half an hour and then sat for dinner. Calculate the time at which she sat for dinner and express it in both 24-hour and 12-hour clock formats. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................ Time 25 PNC_Maths_G4_WB_Term 2.indb 25 16-09-2019 23:07:44

............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 16) The Sun sets at 19:30 and rises again at 06:30. For how many hours do we not get sunlight? How many hours of daylight are there? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................ ............................................................................................................. Long Answer Question (6M) 17) a) Bhuvi boarded the train at 13:20 from Secunderabad. It took 4 hours to reach Nizamabad. When did she reach the destination? Express in the 12-hour format. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................ ............................................................................................................. b) A train was scheduled to arrive at 4:15 p.m. However, it was delayed by 25 minutes. What was the time when the train finally arrived? Express in the 24-hour format. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................ ............................................................................................................. 26 16-09-2019 23:07:44 PNC_Maths_G4_WB_Term 2.indb 26

Activity You have a timetable in your school, which shows the different periods you have during the day. Make your own timetable for a day, mentioning the following: time you get up, take a bath, have breakfast, go to school, come back, go to play, sit to complete your homework, have your dinner and the time when you go to bed. Name of the activity Time using a.m. or p.m. Time in 24-hour clock format Time 27 PNC_Maths_G4_WB_Term 2.indb 27 16-09-2019 23:07:44

  Chapter 6: Fraction Think 1/4 1/4 1/4 Very Short Answer Questions Identify the correct part of the day shown in each picture. 1) Write the fraction for the cut portion of the cake piece. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2) Draw an object showing the fraction 1 . 2 & Remembering and Understanding Multiple Choice Questions (1M per question) 1) The figure is divided into ___ equal parts.  [    ] (A) 2 (B) 3 (C) 4 (D) 1 2) The fraction of the shaded part in is _________. [    ] [    ] (A) 4 (B) 5 (C) 6 (D) 7 8 8 8 8 3) The fraction of triangles in is __________. (A) 1 (B) 1 (C) 1 (D) 1 4 7 5 6 28 PNC_Maths_G4_WB_Term 2.indb 28 16-09-2019 23:07:45

Fill in the Blanks (1M per question) is ________ . 4) The fraction of one kite among Numerator 5) Numbers in the form Denominator are called _______________ . 6) When a figure is divided into two equal parts, each part is called a ___________. Very Short Answer Questions (1M per question) 7) Write the numerator in 4 . 5 Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Observe the following pictures and write how many equal parts they are divided into. (Textbook, Pg. 37) Shape Number of equal parts 8) 9) 10) 11) Fraction 29 PNC_Maths_G4_WB_Term 2.indb 29 16-09-2019 23:07:45

Short Answer Question (3M) 12) What fraction of the collection represents the following circles? a) shaded b) not shaded Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. Long Answer Questions (6M per question) 13) Write the fraction of each type of design in the following collection. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. 14) Write the fraction for the shaded portions of the given figures. (Textbook, Pg. 46) a) ____________ b) ____________ c) ____________ 30 16-09-2019 23:07:45 PNC_Maths_G4_WB_Term 2.indb 30

Application (Textbook, Pg. 37) Short Answer Questions (3M per question) 15) Draw a square and circle. Make it into four equal parts. 16) Draw a rectangle and divide it into eight equal parts. (Textbook, Pg. 37) 17) Shade the following as per the fraction given. (a) Half - (b) Quarter - (c) Three-fourths - Fraction 31 PNC_Maths_G4_WB_Term 2.indb 31 16-09-2019 23:07:45

Long Answer Question (6M) 18) Colour these shapes as per the fractions given. a) 1 = Green, 1 = Blue, 2 = Red, 1 = Yellow 5 5 5 5 b) 1 = Yellow, 3 = Blue 4 4 c) 1 = Pink, 2 = Blue, 5 = Orange 8 8 8 d) 2 = Yellow, 2 = Red, 2 = Blue 6 6 6 32 16-09-2019 23:07:45 PNC_Maths_G4_WB_Term 2.indb 32

Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 17) Arrange 1 , 6 , 2 , 5 and 4 in the ascending and descending orders. 7 7 7 7 7 Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. Long Answer Question (6M) 18) A wooden plank is cut into 15 equal pieces. 4 pieces are used to make a table and 9 pieces are used to make a door. Write the fraction of the pieces used to make each item. Also write the fraction of pieces of plank left. Compare these fractions and write them in increasing order. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Activity Count the number of clothes that you have in your wardrobe (shirt/pant/frocks). Arrange them as per their shades (shades of blue, red, and so on). Find the fraction of each colour. Fraction 33 PNC_Maths_G4_WB_Term 2.indb 33 16-09-2019 23:07:46

  Chapter 7: Information Processing Think Very Short Answer Questions 1) Which place is nearer to your school – a shop or your house? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2) Is the airport closer to your school than your house? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . & Remembering and Understanding Multiple Choice Questions (1M per question) Observe the following image and choose the correct answer. hotel supermarket school bank bowling bus station alley Art gallery Bookshop hospital South street bar city hall Sports zoo West street library centre East street 1) Which of the following is nearer to the school?  [    ] [    ] (A) zoo (B) bus station (C) bank (D) city hall 2) Which place is found between the city hall and the sports centre? (A) hotel (B) bank (C) bar (D) library 34 PNC_Maths_G4_WB_Term 2.indb 34 16-09-2019 23:07:46

3) How many streets are there in the given image? [    ] (A) 3 (B) 1 (C) 0 (D) 7 Fill in the Blanks (1M per question) Observe the following image and fill in the blanks. hotel supermarket school bank bowling bus station alley Art gallery Bookshop hospital South street bar city hall Sports zoo West street library centre East street 4) The _______________ is in between the school and the art gallery. 5) The library is on ___________ Street. 6) The hotel is nearest to the bank ___________. Very Short Answer Questions (1M per question) Observe the picture and answer the following questions. Temple Library Shop Hospital Bank School 7) How many paths are there to reach the library from the school? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Information Processing 35 PNC_Maths_G4_WB_Term 2.indb 35 16-09-2019 23:07:46

8) Which is the longest path? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9) Which place is nearer to the library, the hospital or the bank? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10) Which place is in between the school and the library? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11) How many places does the given map cover? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Short Answer Question (3M) 12) Observe the picture and answer the following questions. Gore Lane Crabtree Road Ira’s Moss Road House Davis Street Playground School Smith Street Park a) How many houses are there in total? b) Which place is nearer to Ira’s house, the school or the park? c) How many houses are there in between Gore lane and Davis street? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. 36 16-09-2019 23:07:46 PNC_Maths_G4_WB_Term 2.indb 36

Long Answer Question (6M) 13) Observe the given route map and answer the questions that follow. Vivek’s House Dinesh’s Park House Dale Lane Elm Court Main Street Supermarket Berry Drive Library Ariana’s House N Fifth Street WE School S Twisted Lane Ria’s House a) How many houses are shown on the map? b) Whose house is the nearest to the park? c) Vivek’s house is the nearest to the school. Write yes/no. d) How many different paths are there to reach the school from Dinesh’s house? e) On which lane is the park located? f) Specify the two places on the route from the school to Vivek’s house. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Information Processing 37 PNC_Maths_G4_WB_Term 2.indb 37 16-09-2019 23:07:47

Application Short Answer Questions (3M per question) 14) Draw a map from your school to your house such that you cross a temple and a park on the way. 15) Prepare a plan to buy the necessary books for the school library. Arrange the books in order. (Textbook, Pg. 54) Long Answer Question (6M) 5 km Post 16) Office House 2 km 1 km 2 km Hospital 1 km School Market 3 km 3 km 1 km 3 km Railway station Using the given map, answer the following questions. 38 16-09-2019 23:07:47 PNC_Maths_G4_WB_Term 2.indb 38

a) Which is the closest place to the railway station, the hospital or the school? b) How far is the house from the hospital by the shortest route? c) What is the distance between the market and the railway station? d) Which place is nearest to the house? e) Write the shortest distance from the house to the school. f) How far is the house from the market? Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 17) Manoj has just joined a new school. He does not know the way to school. So the teacher has drawn a map to help him. Information Processing 39 PNC_Maths_G4_WB_Term 2.indb 39 16-09-2019 23:07:47

Fill in the blanks to tell Manoj the way from the school to his home. Come out from the school. Turn _________ on the road. Then walk straight and turn on the first _________. Then again walk straight. You will see a well. Turn _________ from there. The third house is your house. Long Answer Question (6M) 18) Look at the map of a park and answer the questions that follow. a) How many gates does the park have? b) O n which side is the swimming pool when you enter from gate 1 and gate 2 respectively? c) When you reach the playground from gate 1, on which side is the ice-cream stand? d) Name the places that you will cross if you go from gate 1 to gate 2. Solution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. ............................................................................................................. 40 16-09-2019 23:07:47 PNC_Maths_G4_WB_Term 2.indb 40

Activity List out the steps for the cleanliness programme in your school. (Textbook, Pg. 53) Information Processing 41 PNC_Maths_G4_WB_Term 2.indb 41 16-09-2019 23:07:47

Term Project Take a pack of playing cards. It has four types of cards in it. Count them and write the fractions for each type of cards. Are the fractions equal? PNC_Maths_G4_WB_Term 2.indb 42 42 16-09-2019 23:07:47