Topic C includes lessons 9-11. "Analyze different rectangles and reason about their area. Apply the distributive property as a strategy to find the total area of a large rectangle by adding two products. Demonstrate the possible whole number side lengths of rectangles with areas of 24, 36, 48, or 72 square units using the associative property." EngageNY
8686_Creating_rectangles_with_a_given_area_2.html
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