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In this subtraction activity, 2nd graders check the answers to 9 subtraction problems using addition. They explain the subtraction mistake that becomes apparent in each problem.
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Math Stars: A Problem-Solving Newsletter Grade 1
Keep the skills of your young mathematicians up-to-date with this series of newsletter worksheets. Offering a wide array of basic arithmetic, geometry, and problem solving exercises, this resource is a great way to develop the critical...
1st - 3rd Math CCSS: Adaptable