1) 4 - 0 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 2) 10 - 2 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 3) 9 - 6 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 4) 8 - 0 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 5) 6 - 1 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 6) 8 - 5 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 7) 6 - 5 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 8) 5 - 5 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 9) 4 - 4 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All 10) 6 - 2 = a) Zero Rule b) Count Back 1 or 2 c) Count On d) Subtract All

Subtraction Facts Strategies

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