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Visualizing 2 &amp;times; 1 and 2 &amp;times; 2 Multiplication Using the Distributive Property and Arrays Students decompose 2-digit numbers, model area representations using the distributive property and partial product arrays, and align paper-and-pencil calculations with the arrays. The lessons provide conceptual understanding of what occurs in a 2-digit multiplication problem. Partial product models serve as transitions to understanding the standard multiplication algorithm.
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