+ 1, - 1
6 + 1 = ___
6 + 1 = 7
2 + 3 = __
2 + 3 = 5
4 + 2 = __
4 + 2 = 6
__ + 1 = 5
4 + 1 = 5

What's 1 more than 4?
1 more than 4 is...
5!
4 + 1 = __
4 + 1 = 5
3 + 3 = __
3 + 3 = 6
4 + __ = 8
4 + 4 = 8
10 - 1 = __
10 - 1 = 9

2 + 2 = __
2 + 2 = 4
7 + 3 = __
7 + 3 = 10

__ + 4 = 10
6 + 4 = 10
What's 1 less than 8?
1 less than 8...
7!
3 + 2 = _
3 + 2 = 5
3 + 5 = __
3 + 5 = 8
5 - __ = 2
5 - 3 = 2
1 - 1 = __
1 - 1 = 0
5 + 0 = __
5 + 0 = 5

5 + 4 = __
5 + 4 = 9
8 - __ = 6
8 - 2 = 6
