Date: H A PTE R C Name: 6 Multiplication Tables of 2, 5, and 10 Lesson 1 Multiplying 2: Skip-counting Count by 2s. Then fill in the blanks. 1. Each bicycle has 2 wheels. How many wheels do 8 bicycles have? © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 0 2 4 6 8 10 12 14 16 8×2= 8 bicycles have wheels. Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 67 67 1/10/09 4:38:42 PM Name: Date: Count by 2s. Color the fish that form a pattern. Then fill in the blanks. 2. 4 6 14 11 10 12 5 2 8 2, 4, , , , , Match. 2×8 2×6 2×5 16 6 12 8 10 14 2×7 2×3 2×4 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 3. Complete the table. 4. 68 Number of birds 1 2 Number of legs 2 4 5 6 8 8 12 14 10 18 Chapter 6 Lesson 1 MS_Extra Practice_2A_Ch06_067-088.indd 68 1/10/09 4:38:43 PM Name: Date: Lesson 2 Multiplying 2: Using Dot Paper Use the dot paper to solve. 1. Mrs. Lee gives crackers to 8 children. Each child gets 2 crackers. How many crackers does Mrs. Lee give to the children in all? © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Mrs. Lee gives 2. 2 1 2 3 4 5 6 7 8 crackers to the children in all. 6 bicycles are in the shop. Each bicycle has 2 wheels. How many wheels are there in all? There are 1 1 2 1 2 3 4 5 6 wheels in all. Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 69 69 1/10/09 4:38:44 PM Name: Date: Use the dot paper to fill in the blanks. 1 2 1 1 2 3 4 5 3. 2 1 2 3 4 5 6 5×2= 4. 6×2=5×2+ 5. 2×2=1×2+ ×2 1 2 1 2 1 2 =2+ = 6. 4×2=1×2+ =2+ = 70 ×2 1 2 3 4 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Use the dot paper to fill in the blanks. Chapter 6 Lesson 2 MS_Extra Practice_2A_Ch06_067-088.indd 70 1/13/09 6:59:00 PM Name: Date: 1 Use the dot paper to fill in the blanks. 7. 5 × 2 is more than 4 × 2. 8. 6 × 2 is less than 9 × 2. 9. 9 × 2 is more than 7 × 2. 10. 2 × 2 is less than 8 × 2. 2 1 2 3 4 5 6 7 8 9 10 Use the dot paper to find the missing numbers. Example © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 1 2 1 1 2 3 3 1 2 3×2= 1 11. 2 6 6 2×3= 2 1 2 3 4 5 1 2 5×2= 2×5= 1 2 3 4 5 Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 71 71 1/10/09 4:38:46 PM Name: Date: Use the dot paper to find the missing numbers. 1 2 3 4 5 6 1 2 6×2= 2×6= 1 1 13. 2 1 2 4×2= 2×4= 1 1 3 4 3 4 3 4 5 6 5 6 2 1 2 3 4 14. 72 2 2 2 1 2 3 4 5 6 7 1 2 7×2= 2×7= 1 2 7 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 1 12. Chapter 6 Lesson 2 MS_Extra Practice_2A_Ch06_067-088.indd 72 1/10/09 4:38:46 PM Name: Date: Lesson 3 Multiplying 5: Skip-counting Count by 5s. Then fill in the blanks. 5 1. 5, 2. 25, 25 , , , 40 , 25, , 40, , Match. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 3. 2×5 35 6×5 30 8×5 10 4×5 40 7×5 20 Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 73 73 1/10/09 4:38:47 PM Name: Date: Solve. 4. Mrs. Hill bakes 5 buns each day. How many buns does she bake in 6 days? 6×5= 5. buns in 6 days. Peter gives marbles to 7 friends. Each friend gets 5 marbles. How many marbles does Peter give his friends in all? × Peter gives his friends 74 = marbles in all. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. She bakes Chapter 6 Lesson 3 MS_Extra Practice_2A_Ch06_067-088.indd 74 1/10/09 4:38:48 PM Name: Date: Lesson 4 Multiplying 5: Using Dot Paper Use the dot paper to solve. 1. There are 7 sheets of stickers. Each sheet has 5 stickers. How many stickers are there in all? 1 2 3 4 5 1 2 3 4 5 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 1 2 3 4 5 6 7 There are 2. stickers in all. Sarah and her seven friends eat 5 cherries each. How many cherries do they eat in all? They eat 1 2 3 4 5 6 7 8 cherries in all. Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 75 75 1/10/09 4:38:49 PM Name: Date: Multiply. Color the dots to help you. 1 1 2 3 1 2 3 4 5 3×5= 4. 1 3. 2 3 4 5 2 3 4 5 5×5= Use the dot paper to fill in the blanks. 2 3 4 5 1 2 3 4 5 6 7 8 9 10 5. 7 × 5 is 6. 10 × 5 is 7. 6 × 5 is 76 more than 6 × 5. more than 8 × 5. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 1 less than 8 × 5. Chapter 6 Lesson 4 MS_Extra Practice_2A_Ch06_067-088.indd 76 1/10/09 4:38:50 PM Name: Date: Use the dot paper to fill in the blanks. 8. × = × = × = × = © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 9. Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 77 77 1/10/09 4:38:50 PM Name: Date: Use the dot paper to fill in the blanks. 10. × = × = × = × = 78 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 11. Chapter 6 Lesson 4 MS_Extra Practice_2A_Ch06_067-088.indd 78 1/10/09 4:38:51 PM Name: Date: Lesson 5 Multiplying 10: Skip-counting and Using Dot Paper Count by 10s. Use some of the numbers to fill in the blanks. 1. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 60 50 70 10, 20, 100 30 45 , 40, 50, , 70, 80, 90, Use patterns to fill in the blanks. 2. 8×1= 8 × 10 = 3. 9×1= 9 × 10 = 4. 10 × 1 = 10 × 10 = Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 79 79 1/10/09 4:38:51 PM Name: Date: Solve. Eddie ties 4 bundles of balloons. Each bundle has 10 balloons. How many balloons are there in all? There are 6. Adena has 3 bracelets. Each bracelet has 10 beads. How many beads does Adena have in all? Adena has 80 balloons in all. beads in all. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 5. Chapter 6 Lesson 5 MS_Extra Practice_2A_Ch06_067-088.indd 80 1/10/09 4:38:52 PM Name: Date: Solve. 7. Kylie has 8 piles of books. Each pile has 10 books. How many books are there in all? © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. There are 8. books in all. Brooke buys 6 boxes of cards. Each box has 10 cards. How many cards does Brooke buy in all? Brooke buys cards in all. Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 81 81 1/10/09 4:38:53 PM Name: Date: Use the dot paper to multiply. Complete the table. 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Number of boxes 3 Number of stamps 30 1 10. 2 3 4 5 6 7 8 6 9 82 7 8 1 10 1 2 3 4 5 6 7 8 9 10 1 2 3 3 × 10 = There are 10 stamps in one box. 10 × 3 = 10 2 3 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 9. Chapter 6 Lesson 5 MS_Extra Practice_2A_Ch06_067-088.indd 82 1/10/09 4:38:53 PM Name: Date: Lesson 6 Divide Using Related Multiplication Facts Complete the multiplication sentences. Then complete the division sentences. 1. 3×5= 2. 5×3= 9×2= 2×9= ÷3= ÷2= ÷5= ÷9= © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Use the numbers to form multiplication and division sentences. 14 3. 2 × = × = ÷ = ÷ = 10 4. 7 30 3 × = × = ÷ = ÷ = Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 83 83 1/10/09 4:38:54 PM Name: Date: Use related multiplication facts to solve. 5. Divide 16 bones into 2 equal groups. How many bones are there in each group? 16 ÷ 2 = There are Divide 20 birds into 5 equal groups. How many birds are there in each group? © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 6. bones in each group. 20 ÷ 5 = There are 84 birds in each group. Chapter 6 Lesson 6 MS_Extra Practice_2A_Ch06_067-088.indd 84 1/10/09 4:38:54 PM Name: Date: Find the missing number. Then write one related multiplication sentence. Write two related division sentences. Use the picture to help you. 7. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 9×2= ÷ = ÷ = × = × = 8. 6×2= ÷ = ÷ = Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 85 85 1/10/09 4:38:56 PM Name: Date: Find the missing number. Then write one related multiplication sentence. Write two related division sentences. Use the picture to help you. 9. × ÷ = ÷ = = 10. 4 × 10 = 86 × ÷ = ÷ = = © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 7×5= Chapter 6 Lesson 6 MS_Extra Practice_2A_Ch06_067-088.indd 86 1/10/09 4:38:57 PM Name: Date: Put on Your Thinking Cap! 1. John thinks of two numbers. When he multiplies them, he gets 20. When he subtracts the smaller number from the bigger number, he gets 1. What are the two numbers? © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Do you know what my numbers are? The two numbers are and . Extra Practice 2A MS_Extra Practice_2A_Ch06_067-088.indd 87 87 1/10/09 4:38:57 PM Name: 2. Date: The shapes stand for different numbers. + + × = 15 – = 2 = 15 Fill in the boxes with the correct answers. = = 88 = © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. CLUES All the shapes stand for 1-digit odd numbers. Odd numbers are numbers that are not found in the multiplication table of 2. Chapter 6 Put on Your Thinking Cap! MS_Extra Practice_2A_Ch06_067-088.indd 88 1/10/09 4:38:58 PM