Unit 4, Lesson 26

Add a pair of two-digit numbers when the ones digits have a sum greater than 10.

EngageNY 60 min(s)
In this lesson, students add tens and ones when the ones digits have a sum greater than 10, such as 19 + 15. Students continue to decompose the second addend, alternating between adding on the ten first and making the next ten.

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