This task was designed for 6th graders working on condensing their writing to make their argument completely and quickly. The content is scaling figures, using proportional reasoning to prove similarity. Students who struggled with mulitiplying decimals struggled to find a multiplier. Students also struggled with providing sufficient reasoning in the brief space.

Microsoft Word version: 6_RP_ProportionalReasoning_BriefArgument_Construct

PDF version: 6_RP_ProportionalReasoning_BriefArgument_Construct

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