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This question is public and is used in 1 group and 60 tests or worksheets.

Type: Open-Ended
Category: Area
Level: Grade 3
Standards: 3.MD.C.7, 3.MD.C.7c, MP3
Tags: PARCC
Author: LBeth
Last Modified: 7 years ago

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Grade 3 Area CCSS: 3.MD.C.7, 3.MD.C.7c, MP3

The grids show garden boxes B and C next to each other. Each small box equals 1 square foot. Garden boxes B and C are placed end to end to make a new, larger garden box.
Unit Squares 2Unit Squares 3
Tucker uses the expression (4×5)+(4×4) to find the area of the new, larger garden box.

Avery uses the expression 4×(5+4) to find the area of the new, larger garden box.

Find the total area, in square feet, of the new, larger garden box.
Use the grids to explain why both Tucker's expression and Avery's expression are correct.

Enter your answer and your explanation in the space provided.