This task is designed as a think-pair-share. It sets a multiplication expression equal to an addition expression and asks students to agree or disagree about the equality. Fourth grade students are given a template to state a claim, and explain it, then compare arguments. This task can be used to open a class discussion about different ways to think about double digit multiplication. Students can look at 10×24 as (10×20)+(10×4) which would show the comparison between 10×24 and 200+40 nicely.

Microsoft Word version: 4_NBT_Multiplication_ThinkPairShare_Critique

PDF version: 4_NBT_Multiplication_ThinkPairShare_Critique

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