Unit 1, Lesson 5

Make a ten to add within 100

EngageNY 60 min(s)Support for English Language Learners
In this lesson, students continue use the "make ten" strategy now using a two-digit addend. For example, to add 39 + 4, students decompose 4 as 1 and 3 in order to complete a unit of ten (39 + 1) and then add, or compose, the ten with the remaining ones (40 + 3).

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