Videos to help Grade 5 students learn how to find the area of rectangles with mixed-by-mixed and fraction-by-fraction side lengths by tiling, record by drawing, and relate to fraction multiplication.

New York State Common Core Math Module 5, Grade 5, Lesson 11

Common Core Standards: 5.NF.4b, 5.NF.6

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Lesson Plans and Worksheets for Grade 5

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Common Core For Grade 5.

Lesson 11 Problem Set

Draw the rectangle and your tiling.

Write the dimensions and the units you counted in the blanks.

Then, use multiplication to confirm the area. Show your work.

6. A square has a perimeter of 51 inches. What is the area of the square?

(Homework) 2. A square has a perimeter of 25 inches. What is the area of the square?

This video shows how to find the area of rectangles with fractional dimensions using an area model.

1. Kristen tiled the following rectangles using square units. Sketch the rectangles, and find the areas. Then confirm the area by multiplying.

a. Rectangle A:

Rectangle A is _____ units long × _____ units wide

Area = _____ units

b. Rectangle B:

Rectangle B is 2 1/2 units long × 3/4 unit wide

Area = _________ units

Rectangle B is 3 1/3 units long × 2 1/2 unit wide

Area = _________ units

Rectangle D is 3 1/2 units long × 2 1/4 unit wide

Area = _________ units

2. A square has a perimeter of 25 inches. What is the area of the square?