Unit 5, Lesson 2# Count 10 objects within counts of 10 to 20 objects, and describe as 10 ones and __ ones.

EngageNY 60 min(s)

In this lesson, students begin their work with numbers 11-19 to gain foundations for place value. They separate 10 ones and some ones from within ten quantities using an egg carton cut off to have 10 compartments.