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ClassFlow

Class Flow: Number Order in Addition

For Teachers Pre-K - 1st
[Free Registration/Login Required] Number order in addition. Begin to recognize that addition can be done in any order. Order numbers and position them on a number track. Changing number order may ease mental calculation. Begin to...
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Khan Academy

Khan Academy: Practice: Add and Subtract Within 100 Word Problems 2

For Students 2nd - 3rd Standards
Practice adding and subtracting within one hundred with these multiple-choice problems.