What's the Difference?
In this finding the difference in sums learning exercise, 1st graders look over two boxes of numbers and circle the pairs of numbers in each box that have a difference of 9 in the first one and 6 in the second one.
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Word Problems Involving Subtraction
A classic math lesson plan like this one involves a warm up, guided practice, application, and assessment. Get those 2nd graders good at assessing and solving single-step word problems through basic addition and subtraction drills, a...
1st - 2nd Math CCSS: Adaptable