This Measure Area by Counting Units - Step-by-Step Lesson worksheet also includes:
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What is the area? Because there is only one problem here with a detailed explanation below, consider projecting this as an all-class warm up. Learners examine a rectangle split into 12 squares. They know that each unit is three centimeters square and must determine the area of the entire rectangle. The explanation describes the area formula and uses square units in the answer.