Third Grade Mental Math
Lesson Objective: Use the strategies of decomposing, jumps of ten, and splitting. Questions to Consider: Note how much think time Ms. Saul gives students before asking for solutionsWatch students use the secret thumb's upNotice how students use a common vocabulary to describe strategiesHow does mental math deepen students understanding of the basic operations?Support Materials BelowMore Info on Mental Math.
Common Core StandardsMath.3.NBT.2
(6mins)

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