Grade 3
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Geometry
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Measurement & Data
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Numbers & Operations: Base Ten
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Numbers & Operations: Fractions
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Operations & Algebraic Thinking
CCSS Math Standard: 3.MD.5
Geometric measurement: understand concepts of area and relate area to multiplication and to addition. Recognize area as an attribute of plane figures and understand concepts of area measurement. — a. A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area. — b. A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.