# Applying Area and Perimeter Formulas for Rectangles in the Real World

## Measurement & Data – 4th Grade

**Solve problems involving measurement and conversion of measurements.**

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*.

**Teacher Notes**

Reasoning about constructing situation equations for perimeter and area in real world and mathematical problems helps build an understanding of formulas.

**Student Knowledge Goals**

I can explain the area and perimeter formula.

I can use the formulas to solve problems.

**Vocabulary**

area

distance

formula

length

perimeter

product

rectangle

side

square unit

sum

two-dimensional figure

width

**Lessons**

Engage NY Module 3 A-2 – Solve multiplicative comparison word problems by applying the area and perimeter formulas.

Area and Perimeter Lessons

**Student Video Lessons**

*Background Lessons*

Virtual Nerd – Perimeter

Study Jams – Perimeter

Study Jams – Surface Area

**Online Problems and Assessments**

Khan Academy – Questions and Video Lessons

Perimeter

Area of squares and rectangles

Compare area and perimeter of two figures

Relationship between area and perimeter

Use area and perimeter to determine cost

** Online Games**

Perimeter and Area

**Printables**

Perimeter and Area

Assessment Task 1

Assessment Task 2

Assessment Task 3

Assessment Task 4

Assessment Task 5

Assessment Task 6