Grade 3
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Geometry
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Measurement & Data
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Number & Operations: Base Ten
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Number & Operations: Fractions
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Operations & Algebraic Thinking
Arizona Math Standard: 3.MD.C.7.d
Understand that rectilinear figures can be decomposed into non-overlapping rectangles and that the sum of the areas of these rectangles is identical to the area of the original rectilinear figure. Apply this technique to solve problems in real-world contexts.