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3rd Grade

Texas Essential Knowledge and Skills (TEKS): 3.6.C

determine the area of rectangles with whole number side lengths in problems using multiplication related to the number of rows times the number of unit squares in each row;

Texas Essential Knowledge and Skills (TEKS): 3.6.D

decompose composite figures formed by rectangles into non-overlapping rectangles to determine the area of the original figure using the additive property of area; and

Texas Essential Knowledge and Skills (TEKS): 3.6.E

decompose two congruent two-dimensional figures into parts with equal areas and express the area of each part as a unit fraction of the whole and recognize that equal shares of identical wholes need not have the same shape.

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