Log in
Sign up for FREE
arrow_back
Library

Unit 7 - Lesson 8 - Grade 2: Illustrative Mathematics

star
star
star
star
star
Last updated 11 months ago
9 questions
Note from the author:
Grade 2 Unit 7
Lesson 8: Compose Tens and Hundreds to Add
CC BY 2021 Illustrative MathematicsĀ®
Grade 2 Unit 7
Lesson 8: Compose Tens and Hundreds to Add
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Compose Tens and Hundreds to Add
Cool Down: Make Tens and Hundreds
1

How Many Do You See: Too Many Tens (Warm Up)

1
Question 1
1.

How many do you see?

1
Question 2
2.

How do you see them?

Compare the Sums

Find the value of each sum. Show your thinking. Use base-ten blocks if it helps.

1
Question 3
3.

273 + 18

1
Question 4
4.

273 + 81

1
1

Different Ways to Show Your Thinking

Priya and Lin were asked to find the value of 358 + 67.

1
Question 7
7.

What do you notice about their work?

What is the same and different about their representations?

Be prepared to explain your thinking.

1
Question 8
8.

Find the value of 546 + 86.

Show your thinking. Use base-ten blocks if it helps.

Question 9
9.

Find the value of 278 + 65.

Show your thinking. Use base-ten blocks if it helps you.

Question 5
5.

273 + 88

Question 6
6.

What was the same and different about the sums?