Next Step: Subtraction & Addition by Wiebe Carlson Ass
Ready to move beyond basic facts? Add multi-step problems to the repertoire and reinforce basic facts at the same time! The goal of this easy-to-understand card game is to pair cards whose differences add up to 12. Players scan 7 subtraction cards, mentally computing differences and sums, and claim winning combinations like 8 - 4 and 13 - 5. The player collecting the most cards wins. by Wiebe Carlson Ass

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