This activity covers Texas 3rd Grade Math TEKS 3.6C and 3.7B.
(6) Geometry and measurement. The student applies mathematical process standards to analyze attributes of two-dimensional
geometric figures to develop generalizations about their properties. The student is expected to:
(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;
(7) Geometry and measurement. The student applies mathematical process standards to select appropriate units, strategies, and tools
to solve problems involving customary and metric measurement. The student is expected to:
(B) determine the perimeter of a polygon or a missing length when given perimeter and remaining side lengths in problems;
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PERIMETER AND MISSING LENGTH TASK CARDS
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