Unit 1, Lesson 16# Count on to find the unknown part in missing addend equations such as 6 + __ = 9. Answer, “How many more to make 6, 7, 8, 9, and 10?”

EngageNY 60 min(s)Support for English Language Learners

In this lesson, students count on to find the unknown part in an addition equation. For example, they find the missing number in 4 + ___ = 7 by counting on until they reach the total ("Four...five, six, seven!") and keeping track of the change on fingers or with 5-group cards.