Chapter4 Reteach 3A [PDF]

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4

Subtraction up to 10,000

Worksheet 1

Subtraction Without Regrouping

Complete each number bond.

Example 5 10 5

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1.

2.

2 8

40 90

Fill in the blanks.

Example 7 ones ⫺ 3 ones ⫽

4

ones

3.

9 ones ⫺ 5 ones ⫽

4.

8 tens ⫺ 3 tens ⫽

tens

5.

6 tens ⫺ 2 tens ⫽

tens

ones

Reteach 3A

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6.

5 hundreds ⫺ 3 hundreds ⫽

hundreds

7.

8 hundreds ⫺ 5 hundreds ⫽

hundreds

8.

9 hundreds ⫺ 4 hundreds ⫽

hundreds

9.

7 hundreds ⫺ 5 hundreds ⫽

hundreds

Find the difference. Use number bonds to help you. 100 ⫺ 80 ⫽

11.

100 ⫺ 70 ⫽

100

100

80 12.

70

130 ⫺ 70 ⫽

13.

120 ⫺ 80 ⫽

130

70

52

120

80

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10.

Chapter 4 Lesson 4.1

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Subtract. 14.

8 2 1 1

15.

7 9 4 8

16.

2 7 8 1 6 4

17.

4 8 5 1 7 3

Example 3, 4 9 8  5 4 3, 4 4 4

18.

5, 5 7 6  3 2

19.

7, 8 6 9  1, 5 4 3

20.

4, 9 0 7  1, 5 0 4

21.

9, 4 7 8  5, 3 5 3

22.

7, 8 6 5  3, 4 1 2

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Subtract.

Reteach 3A

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Example 7, 6 8 4  2, 4 5 1 5, 2 3 3

23.

5, 6 9 7  4, 3 5 2

24.

3, 9 8 7  1, 7 5 2

25.

5, 3 8 5  1, 2 3 4

26.

7, 0 8 6  3, 0 4 3

27.

8, 7 6 9  2, 3 4 4

54

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Subtract.

Chapter 4 Lesson 4.1

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Worksheet 2

Subtraction with Regrouping in Hundreds and Thousands

Fill in the blanks.

Example

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8 tens 0 ones ⫽ 7 tens

10

ones

1.

6 tens 0 ones ⫽ 5 tens

ones

2.

4 tens 5 ones ⫽ 3 tens

ones

3.

3 tens 7 ones ⫽

4.

5 thousands ⫽ 4 thousands

5.

2 thousands ⫽

6.

4 thousands 3 hundreds ⫽

7.

8 thousands 2 hundreds ⫽ 7 thousands

tens 17 ones hundreds thousand 10 hundreds thousands 13 hundreds hundreds

Subtract. 8.

70 ⫺ 10 ⫽

9.

90 ⫺ 10 ⫽

10.

100 ⫺ 60 ⫽

11.

100 ⫺ 80 ⫽

Reteach 3A

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Subtract.

Example 10

4, ⫺ 2, 1,

0 5 5

0 0 0

0 0 0

6 thousands ⫽

12. 6, ⫺ 3,

0 7

0 0

0 0

2, ⫺ 1,

0 4

0 0

0 0

thousands ⫺ 3 thousands ⫽

8, ⫺ 5,

0 6

0 0

0 0

thousands

hundreds hundreds thousands

hundreds

hundreds ⫺ 4 hundreds ⫽

hundreds

thousand ⫺ 1 thousand ⫽

thousands

8 thousands ⫽

14.

thousands

hundreds ⫺ 7 hundreds ⫽

2 thousands ⫽

13.

56

5 hundreds cannot be subtracted from 0 hundreds. So, regroup the thousands and hundreds. 4 thousands ⫽ 3 thousands 10 hundreds

thousands

hundreds ⫺ 6 hundreds ⫽ thousands ⫺ 5 thousands ⫽

hundreds hundreds

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3

thousands

Chapter 4 Lesson 4.2

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Subtract.

Example

3

12

4,  2, 1,

2 9 3

7 3 4

Step 1

5 ones  2 ones  3 ones

Step 2

7 tens  3 tens  4 tens 9 hundreds cannot be subtracted from 2 hundreds. So, regroup the thousands and hundreds.

5 2 3

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Step 3

4 thousands 2 hundreds  3 thousands 12 hundreds

Step 4

12 hundreds  9 hundreds  3 hundreds

Step 5

3 thousands  2 thousands 

1 thousand

Reteach 3A

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5,  1,

6 8

7 4

4 1

Step 1

4 ones  1 one 

Step 2

7 tens  4 tens  tens 8 hundreds cannot be subtracted from 6 hundreds. So, regroup the thousands and hundreds.

Step 3

5 thousands 6 hundreds 





8 9

9 0

7 4

thousands

Step 1

7 ones  4 ones 

Step 2

9 tens  0 tens  tens 9 hundreds cannot be subtracted from 8 hundreds. So, regroup the thousands and hundreds.

Step 3

6 thousands 8 hundreds 

thousands

ones

hundreds

hundreds  9 hundreds

Step 4



hundreds thousands  3 thousands

Step 5



58

hundreds thousands  1 thousand

Step 5

6,  3,

hundreds

hundreds  8 hundreds

Step 4

16.

thousands

ones

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15.

thousands

Chapter 4 Lesson 4.2

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Worksheet 3

Subtraction with Regrouping in Ones, Tens, Hundreds, and Thousands

Fill in the blanks.

Example 2 thousands 3 hundreds 5 tens 7 ones ⫽ 2 thousands 3 hundreds 1.

4

4 thousands 2 hundreds 7 tens 3 ones ⫽ 4 thousands 2 hundreds 6 tens

2.

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hundred 17 tens 5 ones

7 thousands 6 hundreds 3 tens 2 ones ⫽ 6 thousands

5.

tens 6 ones

8 thousands 2 hundreds 7 tens 5 ones ⫽ 8 thousands

4.

ones

3 thousands 5 hundreds 8 tens 6 ones ⫽ 3 thousands 4 hundreds

3.

tens 17 ones

hundreds 3 tens 2 ones

6 thousands 7 hundreds 2 tens 4 ones ⫽

thousands 17 hundreds 2 tens 4 ones

Reteach 3A

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Subtract.

Example 7 7

12

6 4 1

2 8 4

8 ones cannot be subtracted from 2 ones. So, regroup the tens and the ones.

6.

Step 1



2, 1,

6 4

7 5

0 8

7 tens 0 ones 

Step 2

ones  8 ones 

Step 3

tens  5 tens 

Step 4

Step 5



4, 2,

5 1

6 3

2 8

hundreds

thousand

6 tens 2 ones 

tens

ones  8 ones 

Step 3

tens  3 tens  5 hundreds  1 hundred 

Step 5

hundreds

ones ones tens

4 thousands  2 thousand 

60

ten

Step 2

Step 4

ones

2 thousands  1 thousand 

Step 1

ones

6 hundreds  4 hundreds 

7.

tens

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1, 1,

5

thousands

Chapter 4 Lesson 4.3

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Subtract.

Example



3, 1, 2

5

14

6 2 3

4 9 5

8 6 2

Step 1

8 ones  6 ones  2 ones

Step 2

6 hundreds 4 tens  5 hundreds 14 tens

Step 3

14 tens  9 tens  5 tens

Step 4

5 hundreds  2 hundreds  3 hundreds

Step 5

3 thousands  1 thousand

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 2 thousands 8. 

3, 2,

5 1

4 7

8 5

Step 1

8 ones  5 ones 

Step 2

5 hundreds 4 tens 

ones

hundreds

tens

Step 3

tens  7 tens 

Step 4

hundreds  1 hundred 

Step 5

tens

hundreds

3 thousands  2 thousands 

thousand

Reteach 3A

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5, 2,

8 3

3 7

7 6

Step 1

7 ones  6 ones 

Step 2

8 hundreds 3 tens 

tens  7 tens 

Step 4

hundreds  3 hundreds

Step 5



4 3

2 6

8 4

hundreds

thousands

Step 1

8 ones  4 ones 

Step 2

4 hundreds 2 tens 

hundreds

ones

tens

Step 3

tens  6 tens 

Step 4

hundreds  3 hundreds 

Step 5

hundreds

7 thousands  5 thousands 

62

tens

5 thousands  2 thousands 

7, 5,

tens

Step 3



10.

hundreds

one

thousands

tens

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9.

Chapter 4 Lesson 4.3

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Subtract.

Example 3

12

4,  1, 2,

2 9 3

5 3 2

8 5 3

11.

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5,  2,

3 6

8 3

7 4

9 hundreds cannot be subtracted from 2 hundreds. So, regroup the thousands and the hundreds.

Step 1

7 ones  4 ones 

Step 2

8 tens  3 tens 

Step 3

5 thousands 3 hundreds 

thousands

ones tens

hundreds

hundreds  6 hundreds

Step 4



hundreds thousands  2 thousands

Step 5



thousands

Reteach 3A

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8,  3,

4 7

9 3

5 2

Step 1

5 ones  2 ones 

Step 2

9 tens  3 tens 

Step 3

8 thousands 4 hundreds   

5 6

7 6

4 2

hundreds

thousands

Step 1

4 ones  2 ones 

Step 2

7 tens  6 tens 

Step 3

7 thousands 5 hundreds 

thousands

ones ten

hundreds

hundreds  6 hundreds

Step 4



hundreds thousands  5 thousands

Step 5



64

hundreds

thousands  3 thousands

Step 5

7  5,

tens

hundreds  7 hundreds

Step 4

13.

thousands

ones

thousand

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12.

Chapter 4 Lesson 4.3

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Worksheet 4

Subtraction Across Zeros

Subtract.

Example 9 9 5 6,  3, 2,

6 thousands 0 hundreds  5 thousands 10 hundreds 10 hundreds 0 tens  9 hundreds 10 tens 10 tens 0 ones  9 tens 10 ones

10

10 

10  0 2 7

0 6 3

0 7 3

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1.

Step 1

5 thousands 0 hundreds 

0 4

0 9

0 5

hundreds

hundreds 0 tens

Step 2

5,  2,

thousands



hundreds

tens

tens 0 ones

Step 3



tens

ones

Step 4

ones  5 ones 

Step 5

tens  9 tens 

Step 6

hundreds  4 hundreds 

ones tens

hundreds thousands  2 thousands

Step 7



thousands Reteach 3A

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Step 1

7 thousands 0 hundreds 

0 1

0 2

0 6



hundreds

tens

tens 0 ones

Step 3



tens

ones

Step 4

ones  6 ones 

Step 5

tens  2 tens 

Step 6

hundreds  1 hundred 

ones tens

hundreds thousands  4 thousands

Step 7



66

hundreds

hundreds 0 tens

Step 2

7,  4,

thousands

thousands

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2.

Chapter 4 Lesson 4.4

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Find each missing digit. Use number bonds to help you. 3.

Example 8

4

⫺ 5

1

3

3

4.

9 5

⫺ 4

6

7

⫺ 6

4

9

2

1

5.

1, ⫺

1

0 7 2

1

3

6 7

7

2

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Find the missing digits.

Example 7

8

9

1, 5

5

2

4, ⫺

6.

3,

2

3

8, ⫺ 3, 4 ,7

9 4

3

7

Reteach 3A

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Solve. Show your work.

Example Florist A sold 1,000 stalks of tulips on Saturday. Florist B sold 125 stalks fewer than Florist A. How many stalks of tulips did Florist B sell on Saturday? 1,000 ⫺ 125 ⫽ 875 Florist B sold 875 stalks of tulips on Saturday. A factory produces 8,000 loaves of bread and 6,800 buns a day. How many more loaves of bread than buns does the factory produce in a day?

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7.

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Chapter 4 Lesson 4.4

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