5, Lesson 34, Unit 1, Grade 1, EngageNY icon
Problem Set

Problem Set

Lesson 34. Unit 1. Grade 1 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 34, Unit 1, Grade 1. In this lesson, students use Rekenrek bracelets and simple math drawings to show subtracting a number 1-10 from itself (n - n), and taking away one less than a number from the number (n - (n - 1)), and create number sentences to represent each situation. As they work, they make observations such as, "When I take 5 away from 5, I'm left with 0 every time

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