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Subtraction and Addition Are Related
Every subtraction has a related addition! 10 - 6 = ? Think: 6 + ___ = 10. The answer is 4! If you know addition facts, you already know subtraction.
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Mathematics — Subtraction Strategies
Every subtraction has a related addition! 10 - 6 = ? Think: 6 + ___ = 10. The answer is 4! If you know addition facts, you already know subtraction.