6, Lesson 26, Unit 1, Grade 1, EngageNY icon
Problem Set

Problem Set

Lesson 26. Unit 1. Grade 1 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 26, Unit 1, Grade 1. In this lesson, students continue understanding subtraction as an "unknown addend" problem, and begin relating counting on to subtraction. They use a number path to solve related addition and subtraction problems by finding one part, counting on to the total, and determining the number of counts it took to get to that total from the part. For example, they relate the number sentences 8 - 5 = ___ and 5 + ___ = 8.

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