# Lesson 6 Different Square Units (Part 1)

Let’s learn about different units we can use to measure area.

## Warm-up Notice and Wonder: Squares, Squares

What do you notice? What do you wonder?

## Activity 1 Same Rectangle, Different Units

Your teacher will give you two kinds of grid paper. Use them to create a rectangle for each expression.

Partner 1: Use grid 1.

Partner 2: Use grid 2.

## Activity 2 What’s the Area?

## Problem 1

Estimate how many square centimeters and inches it will take to tile this square.

square inches (estimate)

square centimeters (estimate)

## Problem 2

Use the inch grid and centimeter grid to find the area of the square

square inches

square centimeters

## Problem 3

Write a multiplication expression that describes the rows and columns in the square and can tell us the area in each unit.

square inches

square centimeters

## Practice Problem

## Problem 1

Here are two squares. One of the squares is a square centimeter and one of them is a square inch.

Which square is a square centimeter? Which square is a square inch? Explain how you know.