1-52 Two-Digit Subtraction

Look at the example.

TENS	ONES
6	5
4	1

Look at the digits in the ONES place first.  5 and 1

TENS	ONES
6	5
4	1
	4

Subtract. 5 - 1 = 4

Now look at the digits in the TENS place.  6 and 4.

TENS	ONES
6	5
4	1
2	4

Subtract.  6 - 4 = 2

The answer is 24.

Look at the example.  The digits in the ONES place are 7 and 4.

TENS	ONES
2	7
	4

Subtract.  7 - 4 = 3

TENS	ONES
2	7
	4
	3

There is only one digit in the TENS place. 2

TENS	ONES
2	7
	4
2	3

Bring the 2 down because 2 - 0 = 2.

The answer is 23.

Practice two-digit subtraction.

Fill in the boxes.

3  7			2  2			4  5			9  1			4  3			8  7
- 2  1			-    1			- 2  2			- 1  0			- 3  0			-     5
2  3			5  6			7  8			4  3			3  8			5  4
-     2			- 4  2			-    2			- 3  2			-     3			-     1
8  8			6  1			9  5			7  4			5  6			8  1
- 6  5			-     0			-     4			- 4  4			-     1			- 8  0