# Lesson 1 Make 2 Parts

Let’s break numbers up into parts.

## Warm-up Notice and Wonder: 2 Pictures

What do you notice?

What do you wonder?

## Activity 1 6 Connecting Cubes

You have 6 cubes. Put some of the cubes in your hand and some on your desk

## Activity 2 Diego’s and Lin’s Connecting Cubes

Diego’s cubes

Lin’s cubes

## Activity 3 Introduce Check It Off, Add Within 10

Choose a center.

Check it Off

Bingo

Find the Value of

Expressions

Shake and Spill

## Practice Problem

## Problem 1

How can you break apart 3 connecting cubes into 2 parts?

Show your thinking using drawings, numbers, words, or objects.How can you break apart 5 connecting cubes into 2 parts?

Show your thinking using drawings, numbers, words, or objects.