2, Lesson 13, Unit 4, Grade 2, EngageNY icon
Fluency Activity

Subtraction from Tens

Lesson 13. Unit 4. Grade 2 EngageNY

EngageNY5 min(s)

This Fluency Activity is a part of the Lesson 13, Unit 4, Grade 2.<br> In this lesson, students deepen their understanding of subtraction by understanding the relationship between their drawings and the subtraction algorithm. They use a more abstract chip model, in which place-value disks are replaced by circles or dots to model the subtraction of two-digit numbers. Students record each change they make to their model while simultaneously using the algorithm.

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