# Lesson 7 Sort Math Tools

Let’s sort objects and describe how many.

## Warm-up Notice and Wonder: Math Tools

What do you notice? What do you wonder?

## Activity 1 Sort Objects

Sort your math tools. Use the tables if they are helpful.

Explain to another group how you sorted your tools. Make sure to tell them the groups you used and how many objects are in each group.

## Activity 2 How Did They Sort?

Now you’re going to walk around to other tables to look at how other students sorted their tools. For each group’s work, talk to your partner about how they sorted the math tools and how many objects are in each category.

## Activity 3 Centers: Choice Time

Choose a center.

Counting Collections

Number Race

Check it Off

Five in a Row: Addition and Subtraction

Find the Pair

## Practice Problem

## Problem 1

Here are some objects.

What are 2 categories you can use to sort these objects?

What are 2 different categories you can use to sort these objects?