Numbers

2-81 Subtracting Three-Digit Numbers

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Subtracting a three-digit number is the same as subtracting a two-digit number.

 

Hundreds Tens Ones
9 6 8
3 2 5
- ________

 

First, subtract the ones place value.

Hundreds Tens Ones
9 6 8
3 2 5
- ________
3

 

Next, subtract the tens place value.

Hundreds Tens Ones
9 6 8
3 2 5
- ________
4 3

 

Finally, subtract the hundreds place value.

Hundreds Tens Ones
9 5 8
3 2 5
- ________
6 4 3

 

Complete the problems below.

 

6   7   8
- 3   4   2

 

4   5   7
- 2   3   4

 

3   9   4
- 1   7   3

 

3   5   4
- 1   4   3

 

7   8   2
- 6   5   1

 

spacer.gif (42 bytes)
8   7   9
- 7   2   5

 

5   8   7
- 1   2   3

 

2   9   8
- 2   3   7

 

8   7   6
- 7   6   5

 

9   8   7
- 1   2   3

 

spacer.gif (42 bytes)
4   9   2
- 3   6   1

 

5   9   2
- 3   8   1

 

7   1   4
- 6   1   3

 

5   9   1
- 2   9   1

 

6   0   9
- 4   0   8

 

 

 

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