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Subtraction strategies: 10 frame
When subtracting from 9 or 10, think of the ten-frame
17 cards·by kassy4
subtractionmath
10-1
9
10-2
8
10-3
7
10-4
6
10-5
5
10-6
4
10-7
3
10-8
2
10-9
1
9-1
8
9-2
7
9-3
6
9-4
5
9-5
4
9-6
3
9-7
2
9-8
1