C H A PTE R 8 Division - wssd.org...142 Name: Date: © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Chapter 8 Lesson 8.1 6

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DivisionCHAPTER

8Worksheet 1 Mental DivisionComplete the table.

1. � 1 2 3 4 5 6 7 8 912 63456 36789 81

Think of related multiplication facts. Then divide.

Example

5 � � 20 20 � 5 � 4 4

2. 4 � � 12 12 � 4 �

3. 3 � � 18 18 � 3 �

4. 5 � � 35 35 � 5 �

5. 2 � � 18 18 � 2 �

MS_Reteach 3A_Ch08_141-162.indd 141 2/23/09 6:41:38 PM

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Chapter 8 Lesson 8.1

6. 6 � � 18 18 � 6 �

7. 9 � � 27 27 � 9 �

8. 8 � � 24 24 � 8 �

9. 7 � � 42 42 � 7 �

Complete each division sentence.

10. 16 � 2 � 11. 45 � 5 �

12. 24 � 3 � 13. 36 � 4 �

14. 21 � 7 � 15. 48 � 6 �

16. 63 � 9 � 17. 64 � 8 �

Fill in the missing numbers.

Example

90 � tens9 18. 800 � hundreds

19. 40 � tens 20. 500 � hundreds

Complete.

Example

600 � 6 hundreds 21. 30 � 3

22. 200 � 2 23. 250 � 25


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Example

8 tens � 4 � tens

� 20

2

24. 15 tens � 3 � tens

�

25. 9 hundreds � 3 � hundreds

�

26. 24 hundreds � 6 � hundreds

�

Divide. Use related multiplication facts and patterns to help you.

Example

360 � 6 � 60Think of tens. Then divide. 360 is 36 tens.

27. 420 � 7 �

28. 560 � 8 �

29. 360 � 9 �


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Example

800 � 4 � 200Think of hundreds.Then divide. 800 is 80 tens or 8 hundreds.

30. 600 � 5 �

31. 1,400 � 7 �

32. 7,200 � 8 �

33. 1,500 � 3 �

34. 2,800 � 4 �

35. 4,800 � 6 �


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Worksheet 2 Quotient and RemainderComplete.

A quotient is the answer to a division problem. A remainder is the number left over from a division problem.

3

0

Example

9 � 3 �

The quotient is .

The remainder is .

3

1. 12 � 3 �

The quotient is .

The remainder is .

2. 25 � 5 �

The quotient is .

The remainder is .

3. 36 � 6 �

The quotient is .

The remainder is .


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Complete.

43 � 5 � Step 1 5 � �

Step 2 5 � �

Step 3 43 is between and

So, I choose .

Step 4 43 � 40 � 3

The quotient is .

The remainder is .

Example88 R 3

8

8

3

9

40

40

45

45

4. 38 � 4 � Step 1 4 � �

Step 2 4 � �

Step 3 38 is between and .

So, I choose .

Step 4 38 � �

The quotient is .

The remainder is .


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5. 19 � 2 � Step 1 2 � �

Step 2 2 � �

Step 3 19 is between and .

So, I choose .

Step 4 19 � �

The quotient is .

The remainder is .

Complete.

19 � 3 � Step 1 3 � �

Step 2 3 � �

Step 3 19 � �

Example66 R 1

7

18

18

21

1

6. 27 � 4 � Step 1 4 � �

Step 2 4 � �

Step 3 27 � �


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7. 17 � 2 � Step 1 2 � �

Step 2 2 � �

Step 3 17 � �

8. 37 � 5 � Step 1 5 � �

Step 2 5 � �

Step 3 37 � �

Divide. Find the quotient and the remainder.

25 ones � 4 � ones R one

Example6 1

9. 15 ones � 2 � ones R one

10. 33 ones � 4 � ones R one

11. 26 ones � 3 � ones R ones

12. 49 ones � 5 � ones R ones


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Worksheet 3 Odd and Even NumbersDivide. Then write the remainder.

Even numbers have 2, 4, 6, 8, or 0 in the ones place.

6 � 2 �

Remainder:

Example3 R 0

0

1. 10 � 2 � 2. 12 � 2 �

Remainder: Remainder:

3. 16 � 2 � 4. 18 � 2 �


5. 14 � 2 � 6. 22 � 2 �


Write even or odd.

7. When an number is divided by 2, there is no remainder.


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Divide. Then write the remainder.

Odd numbers have 1, 3, 5, 7, or 9 in the ones place.

7 � 2 �

Remainder:

Example3 R 1

1

8. 9 � 2 � 9. 11 � 2 �


10. 15 � 2 � 11. 19 � 2 �


12. 13 � 2 � 13. 21 � 2 �


Write even or odd.

14. When an number is divided by 2, there is a remainder.


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Complete. Use the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

15. Numbers which end with the digits , ,

, , or are odd numbers.

16. Numbers which end with the digits , ,

, , or are even numbers.

Complete the table. Use the numbers below.

17. 12 21 34 43 55

77 88 92 79 100Even Numbers Odd Numbers


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Write true or false. Give an example to support your choice.

18. Add 1 to an even number. The number becomes odd.

19. Add 2 to an odd number. The number becomes even.


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Worksheet 4 Division Without Remainder and Regrouping

Complete.

Example

6 ones � 2 � ones3

2 6

60

3

1. 8 ones � 4 � ones 4 8

2. 4 tens � 2 � tens 2 4 0

3. 9 tens � 3 � tens 3 9 0


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6 tens 3 ones � 3 � tens one

�

Example2 1

21

4. 8 tens 2 ones � 2 � tens one

�

5. 4 tens 8 ones � 4 � ten ones

�

6. 9 tens 6 ones � 3 � tens ones

�

7. 5 tens 0 ones � 5 � ten ones

�

8. 8 tens 6 ones � 2 � tens ones

�


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Complete.

Step 1 4 tens � 2 � tens

Step 2 8 ones � 2 � ones

48 � 2 � tens ones

�

Example2

4

2 4

24

2 4 8

2 4

4 0880

9. Step 1 3 tens � 3 � ten


39 � 3 � ten ones

�

3 3 9

10. Step 1 8 tens � 4 � tens

Step 2 4 ones � 4 � one

84 � 4 � tens one

�

4 8 4

11. Step 1 5 tens � 5 � ten

Step 2 5 ones � 5 � one

55 � 5 � ten one

�

5 5 5


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12. Step 1 6 tens � 3 � tens



�

3 6 9

Divide.

Example

2 4 4

2 2

4 0440

13. 3 6 3

14. 4 4 8

15. 2 2 8

16. 3 3 6

17. 4 8 4


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Worksheet 5 Division with Regrouping in Tens and Ones

Complete.

Example7 ones � 2 � ones, remainder one3 1

2 7

61

3

1. 5 ones � 3 � one, remainder ones

3 5

2. 9 ones � 4 � ones, remainder one

4 9

3. 9 ones � 2 � ones, remainder one

2 9


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Divide.

4. 4 � 2 � 5. 6 � 3 �

6. 8 � 4 � 7. 8 � 2 �

8. 9 � 3 � 9. 4 � 4 �

Complete.

10. 3 7 0

7 tens � 3 � tens, remainder ten

ten � ones

ones � 3 � ones, remainder one

70 � 3 � tens ones, remainder

� R

2 5 0

2 5

4 001010

Example

5 tens � 2 � tens, remainder ten

ten � ones

ones � 2 � ones, remainder ones


� R

2

50

25

01

110

102 5

0


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11. 4 7 0

12. 3 8 0


Example40 � 3 � , remainder 13 1

13. 60 � 2 � , remainder

14. 90 � 4 � , remainder

15. 80 � 3 � , remainder

7 tens � 4 � ten, remainder tens

tens � ones


70 � 4 � ten ones, remainder

� R

8 tens � 3 � tens, remainder tens

tens � ones



� R


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Complete.

Example

14 ones � 2 � ones7

2 1 4

7

1 40

16. 18 ones � 3 � ones

3 1 8

17. 24 ones � 4 � ones

4 2 4

18. 25 ones � 5 � ones

5 2 5


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Example

36 � 2 tens ones


16

1 8

19. 34 � tens 14 ones


20. 56 � 4 tens ones


21. 42 � tens 12 ones


22. 78 � tens ones


23. 64 � tens ones



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Divide.

2 3 8

1 9

2 081810

Example 24. 2 5 2

25. 2 7 6

26. 3 4 5

27. 3 5 7

28. 3 8 1

29. 4 5 6

30. 4 6 8

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C H A PTE R 8 Division - wssd.org...142 Name: Date: © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Chapter 8 Lesson 8.1 6