Log in
Sign up for FREE
arrow_back
Library

Unit 2 - Lesson 14 - Grade 3: Illustrative Mathematics

star
star
star
star
star
Last updated 11 months ago
6 questions
Note from the author:
Grade 3 Unit 2
Lesson 14: Find the Area of Figures with Missing Sides
CC BY 2021 Illustrative MathematicsĀ®
Grade 3 Unit 2
Lesson 14: Find the Area of Figures with Missing Sides
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Find the Area of Figures with Missing Sides
1
1
1
Cool Down: Mystery Side Area
1

Notice and Wonder: Mystery Sides (Warm Up)

1
Question 1
1.

What do you notice?

1
Question 2
2.

What do you wonder?

The Mystery Side

Question 3
3.

Tyler says that the missing side length is 5 meters because it looks longer than the sides that are 4 meters long.


Do you agree or disagree? Be prepared to explain your reasoning.

Practice with Mystery Sides

Question 4
4.

Find the area of the figure. Explain or show your reasoning.

Question 5
5.

Find the area of the figure. Explain or show your reasoning.

Question 6
6.

Find the area of the figure. Explain or show your reasoning.