1
How many do you see?
How many do you see?
1
How do you see them?
How do you see them?
Grade 3 Unit 2
Lesson 8: Area of Rectangles Without a Grid
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 8: Area of Rectangles Without a Grid
CC BY 2021 Illustrative Mathematics®
How many do you see?
How do you see them?
What do you notice?
What do you wonder?
After learning about azulejos in Portugal, Elena is making her own tile artwork. This rectangle shows the project Elena is tiling. Each tile has a side length of 1 inch.
How many tiles are needed to tile the whole rectangle? Explain or show your reasoning.
The tick marks on the sides of the rectangle are 1 meter apart.
What is the area of this rectangle in square meters?
The top side of this rectangle is marked off in meter lengths. The left side is labeled with the length in meters.
What is the area of this rectangle in square meters?
The tick marks on the sides of the rectangle are 1 foot apart.
What is the area of the rectangle?
Explain or show your reasoning.
