Common Core: What is area model math? A teacher explains

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As part of the Common Core curriculum taught in Georgia schools, students use the area model method to solve multiplication problems. What is it? We found out.
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I did SI for College Math Developmentals in the early 2000s. My grandson is struggling because I taught him traditional A = lw. He has to use the Core Curriculum Area Model.

joeggebrecht
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1
35
× 12

170
+350

420

The final answer is 420. GG.

herbcruz