Grade 2 Unit 7
Lesson 6: Use a Ten to Add Within 1,000
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 7
Lesson 6: Use a Ten to Add Within 1,000
CC BY 2021 Illustrative Mathematics®
Find the value of each expression mentally.
28 + 2
28 + 12
67 + 3
67 + 23
Find the value of each sum.
What patterns did you notice?
Pick 1 pair of numbers and find the value of their sum. Show your thinking.
Find the value of 157 + 33.
Show your thinking. Use base-ten blocks if it helps.