Activity 5, Lesson 4, Unit 4, Grade 2 icon
Problem Set

Problem Set

Lesson 4. Unit 4. Grade 2 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 4, Unit 4, Grade 2. In this lesson, students continue to use relationships between the numbers to develop a variety of simplifying strategies to solve addition and subtraction within 100. They use multi-colored linking cubes to demonstrate how a difference between two numbers doesn't change if the same number of cubes is added to each subtrahend. Then students model this with tape diagrams.

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