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Math Mammoth Grade 1 International Version Sample

Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a 10 (e.g., 14 ? 4 = 13 ? 3 ?. 1 = 10 ? ...



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