Videos to help Grade 3 students learn how to apply knowledge of area to determine areas of rooms in a given floor plan.

Common Core Standards: 3.MD.6, 3.MD.7a, 3.MD.7b, 3.MD.7c, 3.MD.7d, 3.MD.5

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Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

New York State Common Core Math Module 4, Grade 3, Lesson 15 and Lesson 16

Lesson 15 Application Problem

Anil finds the area of a 5 inch by 17 inch rectangle by breaking it into 2 smaller rectangles. Show one way that he could have solved the problem. What is the area of the rectangle?

Note: This problem reinforces the strategy of breaking a larger shape apart into 2 smaller shapes to find the total area.

Use a floor plan to find the area in square centimeters of each room in the house.

Use a ruler to measure the side lengths of each lettered room in centimeters. Then find the area. Use the measurements below to match and label the rooms with the correct areas.

Kitchen - 28 square centimeters, Garage - 72 square centimeters

Porch - 32 square centimeters, Bedroom - 56 square centimeters

Bathroom - 24 square centimeters, Hallway - 12 square centimeters

Find the areas of the large rectangle and the unshaded rectangle. Then subtract to find the area of the shaded region.

Create a floor plan with different side lengths for given areas.

Review strategies to find new side lengths of given areas.

Jeremy plans and designs his own dream playground on grid paper. His new playground will cover a total area of 72 square units. The chart shows how much space he gives for each piece of equipment, or area. Use the information in the chart to draw and label a possible way Jeremy can plan his playground.

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