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Analyze Different Rectangles and Reason about their Area

Last updated over 7 years ago

5 questions

Lamar uses square tiles to make the 2 rectangles shown below. Label the side lengths of the 2 rectangles.

Write the equation to find the area of the rectangle A.

Write the equation to find the area of the rectangle B.

Lamar pushes Rectangle A next to Rectangle B to make a bigger rectangle. What is the area of the bigger rectangle?

Explain your previous answer.

From EngageNY.org of the New York State Education Department. Grade 3 Mathematics Module 4, Topic C, Lesson 9. Internet. Available from http://www.engageny.org/resource/grade-3-mathemati...; accessed 27/Oct/2015.