Activity 6, Lesson 23, Unit 4, Grade 1 icon
Problem Set

Problem Set

Lesson 23. Unit 4. Grade 1 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 23, Unit 4, Grade 1. This lesson lays a foundation for adding like units within pairs of two-digit numbers. Students interpret numbers as different groups of tens and ones. For instance, they recognize 25 as 1 ten and 15 ones, as 2 tens and 5 ones, and as 25 ones.

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