Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.
Related Lessons
4th Grade
How to Find Area
Lesson 08
Use visual models, decompose shapes, and apply the area formula for rectangles to solve problems in real world contexts. Use visual models & the area formula for rectangles to solve problems.
4th Grade
Discovering Area
Lesson 07
Decompose shapes into rectangles to determine the area of the composite shape using the area formula for rectangles. Decompose shapes into rectangles to determine the area of the composite shape.
4th Grade
Perimeter Predicament
Lesson 6
Decompose shapes into rectangles to determine the perimeter of the composite shape using the perimeter formula for rectangles. Decompose shapes into rectangles to determine the perimeter of the composite shape.
