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DMT Insights
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DMT Insight 10 The Power of Division
This DMT Insight examines division as a relationship among a total, a unit, and an iterator, showing why the same equation can ask two different questions and why students need to know what the quotient counts.
Division
Multiplication / Division (3-5)
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DMT Insights
DMT Insight 47 - Teaching Ratio Tables
This Insight reviews the research on multiplicative reasoning, unitizing, and representation, and explains how ratio tables record the relationships students use as they iterate units, compose and decompose quantities, and reason proportionally.
Division
Multiplication / Division (3-5)
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