Unit 4, Lesson 10

Use math drawings to represent the composition when adding a two-digit to a three-digit addend

EngageNY 60 min(s)
In this lesson, students continue to deepen their understanding of addition of numbers within 100. Students use a chip model, a more abstract pictorial representation, in which place-value disks are replaced by circles or dots to model the addition of a two-digit and three-digit number.

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