Introducing the Ultimate Fun Way to Learn Addition and Subtraction This color-coded format combines the best features of the traditional fact family flashcards on one side, with a visual representation and answers on the flip side. Add when the colors are the same and subtract when the colors are different. Each two-sided card focuses on one fact family allowing students twice the practice for mastery of addition and subtraction facts. Includes facts 0-12, 92 two-sided cards, and supports NCTM standards.
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