Developing immediate recall of all addition families to 10 + 6. Also practicing a rapid mental process to add a 1 digit number ( 1 to 6) to a 2 digit number making a sum up to 20.
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1 + 6 = ___
6 + 1 = ___
1 + ___ = 7
___ + 6 = 7
2 + 6 = ___
6 + 2 = ___
2 + ___ = 8
___ + 6 = 8
3 + 6 = ___
6 + 3 = ___
3 + ___ = 9
___ + 6 = 9
4 + 6 = ___
6 + 4 = ___
___ + 6 = 10
4 + ___ = 10
5 + 6 = ___
6 + 5 = ___
5 + ___ = 11
___ + 6 = 11
6 + 6 = ___
6 + ___ = 12
___ + 6 = 12
7 + 6 = ___
7 + ___ = 13
8 + 6 = ___
8 + ___ = 14
9 + 6 = ___
9 + ___ = 15
10 + 6 = ___
10 + ___ = 16
11 + 6 = ___
12 + 6 = ___
13 + 6 = ___
14 + 6 = ___
