Know that the perimeter of a rectangle can be calculated by addition and multiplication
Lesson 9 / 10
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I can calculate the perimeter of a rectangle using addition and multiplication.
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To calculate the perimeter of a rectangle you can double the lengths of the shorter and longer sides and add the values.
To calculate the perimeter of a rectangle you can add one long and one short side and double the total.
Mental and written methods can be used to calculate the perimeter of a 2D shape.
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