Addition and subtraction are related fact families.
3 + 4 = 7 AND 4 + 3 = 7
7 - 3 = 4 AND 7 - 4 = 3
These four facts are a fact family.
2 + 3 = 5 AND 3 + 2 = 5
5 - 2 = 3 AND 5 - 3 = 2
These four facts are a fact family
Fill in the boxes. Find the related fact family.
1 + 0 = 1
+ 1 = 1
1 + 1 = 2
- 1 = 1
2 + 1 = 3
+ 2 = 3
3 - 1 = 2
3 - 2 =
4 - 3 = 1
4 -
= 3
3 + 1 = 4
1 +
= 4
2 + 3 = 5
+ 2 = 5
5 - 3 = 2
- 2 = 3
4 + 2 = 6
+ 4 = 6
6 - 4 = 2
6 - 2 =
5 + 2 = 7
+ 5 = 7
7 - 2 = 5
- 5 = 2
3 + 5 = 8
+ 3 = 8
8 - 3 = 5
8 -
= 3
7 + 2 = 9
+ 7 = 9
9 - 7 = 2
9 -
= 7
6 + 4 = 10
+ 6 = 10
10 - 4 = 6
10 -
= 4
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