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.