MATHEMATICS WORKBOOK – 1 Name: ___________________________________ Section: ________________ Roll No.: _________ School: __________________________________

Preface ClassKlap partners with schools, supporting them with learning materials and processes that are all crafted to work together as an interconnected system to drive learning. Our books strive to ensure inclusiveness in terms of gender and diversity in representation, catering to the heterogeneous Indian classroom. ClassKlap presents the Traveller series, designed specifically to meet the requirements of the new curriculum released in November 2016 by the Council for the Indian School Certificate Examinations (CISCE). Guiding principles: The 2016 CISCE curriculum states the following as a few of its guiding principles for Mathematics teaching: D evelop mathematical thinking and problem-solving skills and apply these skills to formulate and solve problems. A cquire the necessary mathematical concepts and skills for everyday life and for continuous learning in Mathematics and related disciplines. R ecognise and use connections among mathematical ideas and between Mathematics and other disciplines. R eason logically, communicate mathematically and learn cooperatively and independently. Each of these principles resonates with the spirit in which the ClassKlap textbooks, workbooks and teacher companion books have been designed. The ClassKlap team of pedagogy experts has carried out an intensive mapping exercise to create a framework based on the CISCE curriculum document. Key features of ClassKlap Traveller series: Theme-based content that holistically addresses all the learning outcomes specified by the CISCE curriculum. T he textbooks and workbooks are structured as per Bloom’s taxonomy to help organise the learning process according to the different levels involved. Student engagement through simple, age-appropriate content with detailed explanation of steps. Learning is supported through visually appealing images, especially for Grades 1 and 2. Increasing difficulty level in sub-questions for every question. Multiplication tables provided as per CISCE requirement. All in all, the Traveller Mathematics books aim to develop problem-solving and reasoning skills in the learners’ everyday lives while becoming adept at mathematical skills as appropriate to the primary level. – The Authors

Workbook Features • Use of simple, age-appropriate language • Scaffolded approach for questions • Focus on subject-related vocabulary building I Recall I RUenmdeermsbtearndand Aimed at revising the Provides opportunities for prerequisite knowledge for practising the basic elements the concept from the previous involved in the learning of the year/chapter/concept/term concept I Apply I Explore(H.O.T.S.) Applying the understanding Extending the application of the of the concept to questions concept to more advanced based on the application of the and challenging questions that concept to real-life scenarios meet the criteria of higher order thinking skills

Contents 1 Shapes 1.1 Introduction to Geometry�������������������������������������������������������������������������������� 1 1.2 Perspective of Objects������������������������������������������������������������������������������������� 6 1.3 Reflection and Symmetry������������������������������������������������������������������������������ 12 2 Patterns 2.1 Growing and Reducing Patterns������������������������������������������������������������������� 17 3 Numbers 3.1 Introduction to Roman Numerals������������������������������������������������������������������ 21 3.2 Count 6-digit Numbers in Indian System������������������������������������������������������ 26 4 Addition and Subtraction 4.1 Add and Subtract 4-digit and 5-digit Numbers������������������������������������������� 32 5 Multiplication 5.1 Multiplication of 2-digit Numbers and 3-digit Numbers��������������������������������� 37 5.2 Multiply Using Lattice Algorithm�������������������������������������������������������������������� 43 6 Division 6.1 Divide 3-digit Numbers by 1-digit Numbers��������������������������������������������������� 48

Shapes1Chapter 1.1 Introduction to Geometry I Recall Multiple Choice Questions Observe the given tangram and answer the following questions. 1) The number of squares in the given figure is/are _________. [] (A) 1 (B) 5 (C) 3 (D) 0 [] 2) The number of circles in the given figure is/are _________. [] (A) 1 (B) 5 (C) 3 (D) 0 3) The number of triangles in the given figure is/are _________. [ ] (A) 1 (B) 5 (C) 3 (D) 0 I Remember and Understand Multiple Choice Questions (C) point (D) chord 4) A circle is a/an ________________. (A) closed figure (B) open figure 1

5) The diameter ‘d’ of a circle with a radius of ‘r’ units is _______. [ ] (A) r units (B) 3r units (C) 4r units (D) 2r units (C) centre [ ] 6) A chord is a ________________. (D) circumference (A) line (B) line segment Fill in the Blanks 7) The ___________________ of a circle divides it into two halves. 8) The perimeter of a circle is called its _______________________. 9) A point has __________ dimensions. Very Short Answer Questions 10) Are all the radii of a circle equal in length? Solution: 11) What is the longest chord of a circle called? Solution: 12) Which instrument from the geometry box can we use to draw a circle? Solution: Short Answer Questions 13) Name the geometrical figure that is a part of a line. Write its other features. Solution: 14) W hich geometrical figure can be extended in only one direction? Write its other features. Solution: 2

Long Answer Questions 15) Draw a circle of radius a) 3 cm b) 5 cm Solution: Shapes 3

16) Name the centres, diameters, chords and radii of the circles given. a) M N b) QT AO B P R D E O S Solution: I Apply Short Answer Questions 17) Reena drew a circle with her frisbee that has a diameter of 14 cm. What is its radius? Solution: 18) The lid of a container is of radius 10 cm. What is its diameter? Solution: Long Answer Questions 19) Raj has a circular clock of diameter 12 cm. Shyam has another circular clock of diameter 8 cm. What is the radius of each of their clocks? Whose clock is smaller? Solution: 4

20) A water bottle has a cap of radius 2 cm, and another bottle has a cap of radius 3 cm. What is the diameter of each of the water bottle caps? Solution: I Explore (H.O.T.S.) Short Answer Question 21) The diameter of the mouth of a bottle is 3 cm. The radius of a pen is 1 cm. Would the pen fit inside the bottle? Solution: Long Answer Question 22) Can we draw three circles with the same centre? If yes, draw three concentric circles with radii 1 cm, 2 cm and 3 cm. Solution: Shapes 5

1.2 Perspective of Objects I Recall Multiple Choice Questions is _______. [] 1) The outline of the base of [] [] (A) (B) (C) (D) 2) The outline of the base of is _______. (A) (B) (C) (D) 3) The outline of the base of is _______. (A) (B) (C) (D) I Remember and Understand Multiple Choice Questions 4) The number on the top view of the given dice is _____. [ ] (A) 6 (B) 4 (C) 2 (D) 3 [ ] 5) The number on the side view of the given dice is _____. [ ] (A) 4 (B) 6 (C) 5 (D) 3 6) The number on the front view of the given dice is _____. (A) 3 (B) 1 (C) 5 (D) 6 6

Fill in the Blanks 7) All the faces of a cube are _______________ shaped. 8) A straight road looks wider at our end and narrower at the other end because of ____________________. 9) A cuboid has ______________ faces. Very Short Answer Questions 10) How many circular ends does a cylinder have? Solution: 11) Does a ball have a square base? Solution: 12) What is the colour of the top view of the given cuboid? Solution: Short Answer Questions 13) Label the views of this solid in the blanks given. a) _________________ b) __________________ c) ________________ d) _________________ 14) Colour the given cube as follows: Front face: Brown Side face: Blue Top face: Yellow Shapes 7

Long Answer Questions 15) T ick the top view and cross the side view of the given objects whose front view is given. Front view Top or side view 8

16) Draw the top, front and side views of the given solids. a) b) c) d) Solution: Top view Front view Side view a) b) c) d) Shapes 9

I Apply Short Answer Questions 17) Draw the top view of the given object. Solution: 18) Draw the side view of the given object. Solution: Long Answer Questions 19) Write the number of cubes in each of the given solids. a) b) c) d) Solution: 10

20) Circle the correct solid based on its given views. Front view Top view Side view a) (A) (B) (C) Front view Top view Side view b) (A) (B) (C) I Explore (H.O.T.S.) Short Answer Question 21) Draw the top view of the given solid. Solution: Shapes 11

Long Answer Question 22) Draw the front, top and side views of the given solids. a) b) Solution: Top view Side view a) Front view b) Front view Top view Side view 1.3 Reflection and Symmetry [ ] (D) cuboid I Recall Multiple Choice Questions 1) The 2D figure with four equal sides is a ________________. (A) square (B) rectangle (C) cube 12

2) The 2D figure with three sides is a ________________. [ ] (A) square (B) triangle (C) cone (D) cuboid ] 3) The 2D figure with four corners and two pairs of equal sides is a _______. [ (A) square (B) rectangle (C) cube (D) cuboid I Remember and Understand Multiple Choice Questions N4) The reflection of along the dotted line is ______. [ ] N N (A) N [ ] N (B) (C) (D) 5) The reflection of along the dotted line is ______. (A) (B) (C) (D) 6) The reflection of along the dotted line is ______. [ ] (A) (B) (C) (D) Fill in the Blanks 7) A line of symmetry divides the figure into _______________ halves. 8) The dotted line in is known as the line of _____________________. 9) The _____________________ of an object is of the same size as the object. Very Short Answer Questions 10) Draw a vertical line of symmetry through the given figure. 11) Draw the lines of symmetry through the given figure. Shapes 13

12) Draw the lines of symmetry through the given figure. Short Answer Questions 13) Complete the drawings by adding their reflections. a) b) 14) Circle the objects that can have a line of symmetry. Long Answer Questions 15) How should we draw a line of symmetry? Give two examples. Solution: 16) Where can we see reflections? Draw the reflections of any two letters of the English alphabet. 14

Solution: I Apply Short Answer Questions 17) Is the given tiling pattern periodic or non-periodic? Solution: 18) Create a tiling pattern using squares and rectangles. Solution: Long Answer Questions 19) What are tessellations? What are they used for? Give an example. Solution: 20) Find and draw the basic shapes in each of the following tessellations. a) b) c) d) Shapes 15

Solution: I Explore (H.O.T.S.) Short Answer Question 21) Form tessellations using the given shapes and colour them. a) b) Solution: Long Answer Question 22) Draw and colour the following tessellations. a) Use arrows and create a tessellation. b) Use triangles and create a tessellation. Solution: 16

Patterns2Chapter 2.1 Growing and Reducing Patterns I Recall Multiple Choice Questions 1) Patterns created by humans are called _______________. [ ] ] (A) human-made patterns (B) natural patterns [ ] [ (C) number patterns (D) shapes patterns ] ] 2) ___ is an odd number. (A) 8 (B) 10 (C) 11 (D) 20 3) A zebra has _______________. (A) human-made patterns (B) natural patterns (C) number patterns (D) shapes patterns I Remember and Understand Multiple Choice Questions [ 4) Patterns with increasing numbers are called _____________________. [ (A) reducing patterns (B) odd-number patterns (C) growing patterns (D) even-number patterns 5) Patterns with decreasing numbers are called ______________ patterns. (A) reducing (B) odd-number (C) growing (D) even-number 17

6) The number that comes next in the pattern: 294, 283, 272, 261, ... is ___. [ ] (A) 230 (B) 260 (C) 240 (D) 250 Fill in the Blanks 7) The numbers that differ by 1 and are written without any gap are called ________________ numbers. Complete the given patterns. 8) 8126, 8191, 8256, ________, 8386 9) 287, 265, 243, 221, ________ Very Short Answer Questions 10) Find the next number in the pattern: 7288, 7387, 7486, 7585, ... Solution: 11) Find the next number in the pattern: 154, 146, 138, 130, ... Solution: 12) Find the next number in the pattern: 627, 595, 563, 531, ... Solution: Short Answer Questions 13) Write the next two numbers in the pattern: 476, 516, 556, 596, ... Solution: 14) Draw the next two shapes in the pattern: Solution: 18

Long Answer Questions 15) Complete the following patterns by writing the next two terms in each case. a) 387, 428, 469, 510, ... b) 911, 881, 851, 821, ... c) 29, 132, 235, 338, ... d) 777, 676, 575, 474, ... Solution: 16) Complete the following patterns by drawing the two shapes that follow them in the series. a) b) Solution: I Apply Short Answer Questions 17) A pattern begins with 652 and its terms increase by 65. Write the first five terms of the pattern. Solution: 18) A pattern begins with 528 and its terms decrease by 43. Write the first five terms of the pattern. Solution: Patterns 19

Long Answer Questions 19) Write the first five terms of a pattern that begins with the number: a) 15 and the terms increase by 111. b) 783 and the terms decrease by 44. Solution: 20) Write the first five terms of a pattern that begins with the number: a) 3 and the terms increase by multiplying each term by 3. b) 9 6 and the terms decrease by dividing each term by 2. Solution: I Explore (H.O.T.S.) Short Answer Question 21) Complete the following patterns by writing the next two terms. a) 1, 4, 16 (Hint: Multiply by 4) b) 160, 80, 40 (Hint: Divide by 2) Solution: Long Answer Question 22) Complete the following patterns by writing the next two terms in each case. (Hint: Mixed series) a) 1, 5, 5, 10, 9, 15, ... b) 4, 3, 8, 6, 12, 9, ... c) 3, 8, 5, 10, 7, 12, ... d) 2, 6, 5, 8, 8, 10, ... Solution: 20

Numbers3Chapter 3.1 Introduction to Roman Numerals I Recall [] [] Multiple Choice Questions [ ] 1) The numeral for twenty is ________________. (A) 10 (B) 20 (C) 02 (D) 12 2) The numeral for thirty-six is ________________. (A) 36 (B) 21 (C) 37 (D) 35 3) The numeral for fifteen is ________________. (A) 51 (B) 50 (C) 15 (D) 16 I Remember and Understand Multiple Choice Questions 4) The Hindu-Arabic numeral for XXI is ______________. [ ] ] (A) 12 (B) 10 (C) 21 (D) 11 ] 5) The Hindu-Arabic numeral for VIII is ______________. [ (A) 8 (B) 7 (C) 3 (D) 5 6) The Roman numeral for 38 is ________________. [ (A) XXX (B) XXXVIII (C) VIII (D) IX Fill in the Blanks 7) In the Roman number system, a symbol can be repeated to a maximum of ____________ times. 21

8) The Roman numerals are written using _______________ letters of the English alphabet. 9) In Roman numerals, the symbol ‘I’ can be subtracted from the symbols ‘V’ and ____________ only. Very Short Answer Questions 10) What is the Hindu-Arabic numeral for X? Solution: 11) What is the Hindu-Arabic numeral for XVI? Solution: 12) What is the Roman numeral for 35? Solution: Short Answer Questions 13) Write the Hindu-Arabic numerals for: a) XXII b) XXIX Solution: 14) Write the Roman numerals for: a) 31 b) 18 Solution: Long Answer Questions b) XIV c) III d) XXVI 15) Write the Hindu-Arabic numerals for: a) XIII Solution: 22

16) Write the Roman numerals for: a) 18 b) 28 c) 9 d) 39 Solution: I Apply Short Answer Questions 17) Read the following clocks and write the time that they show using Hindu-Arabic numerals. a) b) Solution: Numbers 23

18) In a school, Amit is studying in Class V. Suresh is studying in Class IX. Write their classes in Hindu-Arabic numerals. Who is studying in a higher grade? Solution: Long Answer Questions 19) Read the following clocks and write the time that they show using Hindu-Arabic numerals. a) b) c) d) Solution: 24

20) In an examination, Rita scored 32 marks in English, 37 marks in Mathematics, 29 marks in Science and 33 marks in Social Studies. Write her marks in Roman numerals. Solution: I Explore (H.O.T.S.) Short Answer Question 21) Solve and express the answers in Roman numerals: a) Add X and I. b) Subtract II from V. Solution: Numbers 25

Long Answer Question 22) Solve the following and write the answers in Roman numerals. a) Subtract X from XVI b) Add X and XVI c) Subtract XIX from XXIX d) Add XV and XIV Solution: 3.2 Count 6-digit Numbers in Indian System [] I Recall Multiple Choice Questions 1) The number name of 4000 is _____________. (A) four thousand (B) four hundred (C) forty (D) four 26

2) The smallest 4-digit number is ____________. [ ] (A) 10000 (B) 1000 [ ] (C) 100000 (D) 99999 3) The number name of 2450 is ___________. ] (A) two hundred fifty (B) two thousand four hundred ] (C) two thousand four hundred fifty (D) two thousand fifty ] I Remember and Understand Multiple Choice Questions 4) The place value of 3 in 136456 is ____________. [ [ (A) 3000 (B) 30000 (C) 300 (D) 30 [ 5) The face value of 4 in the number 654170 is ____________. (A) 400 (B) 40 (C) 4 (D) 4000 6) The smallest 6-digit number comes just after the largest _____ number. (A) 3-digit (B) 2-digit (C) 5-digit (D) 4-digit Fill in the Blanks 7) The place value of 4 in 336401 is __________. 8) The face value of 1 in 518475 is _________. 9) The place value of 2 in 209106 is ___________. Very Short Answer Questions 10) What is the number name of 318291? Solution: 11) Write the number 71053 using periods. Solution: 12) Which is the largest 5-digit number? Solution: Numbers 27

Short Answer Questions 13) Add 10000 and 5 and write the number name of the sum. Solution: 14) Expand the number 542819. Solution: Long Answer Questions 15) Find the place value and face value of 1 in the numbers given: a) 14235 b) 714 c) 946152 d) 1 e) 12 Solution: 16) Write the expanded forms and number names of the given numbers. a) 56789 b) 934167 Solution: 28

I Apply Short Answer Questions 17) Arrange the numbers in ascending and descending orders. 462947, 28041, 501401, 90210 Solution: Numbers 29

18) Form the greatest and smallest 6-digit numbers using the digits 1, 5, 4, 7, 8 and 6 without repetition. Solution: Long Answer Questions 19) Write the given numbers with the digits in their proper places in the place value chart. a) 56412 b) 24910 c) 138761 d) 411458 Solution: 20) Compare the numbers in the given pairs and find the smaller number. a) 83450 and 83122 b) 165423 and 165837 Solution: 30

I Explore (H.O.T.S.) Short Answer Question 21) Write the face values and place values of the two digits underlined in the number and find the sum of their place values. 54726 Solution: Long Answer Question 22) Write the face values and the place values of the two digits underlined in the given numbers and find the difference between their place values. a) 190275 b)462741 Solution: Numbers 31

4Chapter SAdudbittrioanctainond 4.1 Add and Subtract 4-digit and 5-digit Numbers I Recall Multiple Choice Questions [] 1) When we add 4000 to 2000, we get __________. [] (A) 6000 (B) 1000 (C) 2000 (D) 8000 [] 2) When we subtract 1000 from 8000, we get __________. (A) 6000 (B) 7000 (C) 3000 (D) 9000 3) When we add 1111 to 7777, we get _________. (A) 6666 (B) 8888 (C) 1111 (D) 7777 I Remember and Understand Multiple Choice Questions 4) The place from which we begin addition or subtraction is ________. [] [] (A) tens (B) hundreds (C) ones (D) thousands [] 5) When we add 40000 to 50000, the sum is _______. A) 90000 (B) 80000 (C) 10000 (D) 70000 6) When we subtract 60000 from 80000, the difference is _______. (A) 60000 (B) 80000 (C) 70000 (D) 20000 32

Fill in the Blanks 7) When we add 30000 to 11111, the sum is ____________. 8) When we subtract 60000 from 99999, the difference is _____________. 9) When we add 55000 to 11000, the sum is ____________. Very Short Answer Questions 10) Are 5-digit numbers added and subtracted just like 4-digit numbers? Solution: 11) Which place should be regrouped if subtraction in the hundreds place is not possible? Solution: 12) While adding, if the sum is more than 9 in the ones place, to which place do we carry forward the regrouped sum? Solution: Short Answer Questions 13) Add: 4111 and 3009 Solution: 14) Subtract: 2222 from 9991 Solution: Addition and Subtraction 33

Long Answer Questions b) 41084 and 31154 15) Add: a) 25698 and 52689 Solution: 16) Subtract: a) 22654 from 46983 b) 51204 from 82006 Solution: I Apply Short Answer Questions 17) Rehman was counting books in his school library. He counted 19656 books on Day 1. The next day, he counted 10000 books. How many books did Rehman count in the two days? Solution: 34

18) Suresh had 3358 flowers in his garden, out of which he gave 1129 flowers for the decoration of an annual function. How many flowers are left in Suresh’s garden? Solution: Long Answer Questions 19) Rita has ` 23568 and Sheela has ` 25846. What is the total amount of money that they have altogether? Solution: 20) The odometer (the instrument that shows the distance travelled by a wheeled vehicle) of Hari’s two wheeler showed 16354 km in February 2017. In November 2017, it showed 35689 km. What was the distance covered by Hari from February to November? Solution: Addition and Subtraction 35

I Explore (H.O.T.S.) Short Answer Question 21) F rame an addition problem: Reena and Meena have 3910 and 1094 papers with them. Solution: Long Answer Question 22) Frame a real-life subtraction word problem using the given numbers and solve it: 20,000; 19,856. Solution: 36

5Chapter Multiplication 5.1 Multiplication of 2-digit Numbers and 3-digit Numbers I Recall [] [] Multiple Choice Questions [] 1) The product of 10 and 0 is ______. (A) 0 (B) 10 (C) 1 (D) 100 2) The product of 29 and 1 is ______. (A) 1 (B) 19 (C) 29 (D) 129 3) The product of 20 and 2 is _______. (A) 220 (B) 22 (C) 20 (D) 40 I Remember and Understand Multiple Choice Questions 4) The product of 100 and 10 is _____. [] (A) 0 (B) 100 (C) 1000 (D) 10000 5) The product of 200 and 0 is _______. [] (A) 0 (B) 200 (C) 20 (D) 20000 6) The product of 50 and 10 is _______. [] (A) 5 (B) 5000 (C) 60 (D) 500 Fill in the Blanks 7) The product of 300 and 1 is _______. 8) The product of 255 and 0 is _______. 9) The product of 222 and 20 is ________. 37

Very Short Answer Questions 10) Solve: 9673468 × 1 Solution: 11) What is the product of 99 and 10? Solution: 12) What is the product of 100 and 11? Solution: Short Answer Questions 13) Find the product of 543 and 7. Solution: 14) Find the product of 681 and 5. Solution: 38

Long Answer Questions 15) Find the product of 361 and 47. Solution: 16) Multiply 222 by 82. Solution: Multiplication 39

I Apply Short Answer Questions 17) A box has 154 pencils in it. How many pencils would there be in 4 such boxes? Solution: 18) A chart paper has 31 words. How many words would there be on 43 such chart papers? Solution: 40

Long Answer Questions 19) Ajay kept 675 stamps in a box. If he has the same number of stamps in 13 such boxes, how many stamps does he have in all? Solution: 20) Multiply 234 by 121. Solution: Multiplication 41

I Explore (H.O.T.S.) Short Answer Question 21) Frame a multiplication problem for 29 × 86. Solution: Long Answer Question 22) Frame a multiplication problem for 720 × 12 and solve it. Solution: 42

5.2 Multiply Using Lattice Algorithm [] [] I Recall [] Multiple Choice Questions 1) The product of 10 and 2 is _________. (A) 20 (B) 12 (C) 8 (D) 102 2) The product of 500 and 3 is _______. (A) 1500 (B) 150 (C) 300 (D) 503 3) The product of 4000 and 2 is _______. (A) 4020 (B) 2000 (C) 4000 (D) 8000 I Remember and Understand Multiple Choice Questions 4) The product of 30 and 30 is ________. [ ] ] (A) 900 (B) 30 (C) 330 (D) 303 ] 5) The product of 40 and 50 is ________. [ (A) 20 (B) 2000 (C) 200 (D) 400 6) The product of 100 and 10 is ________. [ (A) 1000 (B) 1100 (C) 100 (D) 10 Fill in the Blanks 7) The product of 150 and 30 is _______. 8) The product of 200 and 70 is _________. 9) The product of 450 and 10 is ________. Very Short Answer Questions 10) Is the multiplication of 3-digit numbers similar to the multiplication of 2-digit numbers? Solution: Multiplication 43

11) Can we use the lattice algorithm to multiply a 2-digit number by a 1-digit number? Solution: 12) What are the two algorithms of multiplication? Solution: Short Answer Questions 13) How are the number of rows and number of columns in a lattice related to the multiplicand and the multiplier? Solution: 14) Multiply 28 by 36 using the lattice algorithm. Solution: 2 8× 3 6 Long Answer Questions 15) Multiply the following using the lattice algorithm. a) 312 by 64 b) 152 by 24 Solution: a) 31 2 × b) × 6 4 44

16) Multiply the following using the lattice algorithm. a) 453 by 48 b) 241 by 63 Solution: a) 45 3 × b) × 4 8 I Apply Short Answer Questions 17) 87 chairs are arranged in each of the 24 rows in a hall. How many chairs are arranged altogether? Solution: × 18) There are 38 children in a group. There are 42 such groups. How many children are there in all? Solution: × Multiplication 45

Long Answer Questions 19) There are 317 schools in a town. If, in each school, there are 24 students in grade 4, how many grade 4 students are there in the town? Solution: × 20) A fruit shop has 385 baskets of fruits. There are 23 fruits in each basket. Find the total number of fruits in the shop. Solution: × I Explore (H.O.T.S.) Short Answer Question 21) Find the missing number in the given lattice multiplication. 2? 17 2 6 28 0 3 4 48 6 3 6 46

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