Log in
Sign up for FREE
arrow_back
Library

Unit 7 - Lesson 10 - Grade 3: Illustrative Mathematics

star
star
star
star
star
Last updated 11 months ago
12 questions
Note from the author:
Grade 3 Unit 7
Lesson 10: Problem Solving With Perimeter and Area
CC BY 2021 Illustrative MathematicsĀ®
Grade 3 Unit 7
Lesson 10: Problem Solving With Perimeter and Area
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Problem Solving With Perimeter and Area
1
1
1
1
1
1
1
1
1
Cool Down: Lin’s Garden Fence
1

True or False: Divide in Parts (Warm Up)

Question 1
1.

Question 2
2.

Explain your reasoning.

Question 3
3.

Question 4
4.

Explain your reasoning.

Question 5
5.

Question 6
6.

Explain your reasoning.

Question 7
7.

Question 8
8.

Explain your reasoning.

Rope Off the Garden

Question 9
9.

Andre wants to know how much rope is needed to enclose the new rectangular school garden. The length of the garden is 30 feet. The width of the garden is 8 feet.
  • Clare says she can use multiplication to find the length of rope Andre needs.
  • Diego says he can use addition to find the length of rope Andre needs.
Who do you agree with? Explain or show your reasoning.

Info Gap: A Garden and a Playground

Round 1


Your teacher will give you either a problem card or a data card. Do not show or read your card to your partner.

Problem Card Student: Silently read the problem card.

Data Card Student: Silently read the data card.
Problem Card Student:
"Can you tell me______?" (Ask for a specific piece of information)
Data Card Student:
"Why do you need to know _____?" (Repeat the information requested)
1

Round 2


Your teacher will give you either a problem card or a data card. Do not show or read your card to your partner.

Problem Card Student: Silently read the problem card.

Data Card Student: Silently read the data card.
Problem Card Student:
"Can you tell me______?" (Ask for a specific piece of information)
Data Card Student:
"Why do you need to know _____?" (Repeat the information requested)
1
Question 12
12.

Lin is building a fence around her rectangular garden. A diagram is shown. The area of the garden is 36 square feet. How many feet of fencing material will she need to enclose the whole garden?

Problem Card Student:
"I need to know _______ because _______."
Data Card Student:
Listen to your partner's reason. Answer with information from the data card.
Problem Card Student:
Continue asking questions until you can say, "I have enough information to solve this problem."

Display the problem card.
Question 10
10.

Solve the problem independently.

Data Card Student:
Share Data Card, then compare strategies and solutions.
Pause here so your teacher can review your work.

Ask your teacher for a new set of cards and repeat the activity, trading roles with your partner.
Problem Card Student:
"I need to know _______ because _______."
Data Card Student:
Listen to your partner's reason. Answer with information from the data card.
Problem Card Student:
Continue asking questions until you can say, "I have enough information to solve this problem."

Display the problem card.
Question 11
11.

Solve the problem independently.

Data Card Student:
Share Data Card, then compare strategies and solutions.
Pause here so your teacher can review your work.

Ask your teacher for a new set of cards and repeat the activity, trading roles with your partner.