Unit 1, Lesson 15, Grade 3 icon
Unit 1, Lesson 15

Use given side lengths to calculate the area of a rectilinear figure

North Carolina Department of Public Instruction 59 min(s)

In this lesson, students will find the areas of complex figures using given side length measurements without grids. Students may have difficulty identifying the measurements to use for the rectangles. Find the area of a large, rectilinear figure by decomposing it into smaller rectanglesCommunicate their process of finding the area of a rectilinear figure Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

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