## Problem of the Day 12 Notebook File - Section 1: Problem of the Day

Problem of the Day 12 Notebook File

# Less Than- Exploring What It Means To Have Less

Unit 1: Comparing and Sorting Objects
Lesson 14 of 17

## Big Idea: Comparing the number of objects in two groups using one to one correspondence is a foundational skill that students will build on as they begin to compare numbers. This lesson also introduces a key vocabulary term- less.

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55 minutes

### Christina Yingling-Smith

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