Unit 1, Lesson 7# Take from 10 within 20

EngageNY 60 min(s)

In this lesson, students practice the "take from ten" strategy within 20. For example, 11 - 9 is solved by decomposing 11 as 1 and 10, taking from ten (10 - 9), and composing the parts that are left (1 + 1).