Subtraction
Subtraction is removing some objects from a group. The meaning of 5-3=2 is
that three objects are taken away from a group of five objects and two objects remain.
The subtraction facts for 3 and 4 are:
| THREE |
| 3-3=0 |
4-3=1 |
5-3=2 |
6-3=3 |
7-3=4 |
8-3=5 |
9-3=6 |
10-3=7 |
11-3=8 |
12-3=9 |
| FOUR |
| 4-4=0 |
5-4=1 |
6-4=2 |
7-4=3 |
8-4=4 |
9-4=5 |
10-4=6 |
11-4=7 |
12-4=8 |
13-4=9 |
An example of subtraction.
8 - 5 = 3
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
- |
1 |
2 |
3 |
4 |
5 |
= |
1 |
2 |
3 |
|
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