# Lesson 1 Count 2 Groups of Objects

Let’s find out how many objects there are in two groups.

## Warm-up Which One Doesn’t Belong: Groups

Which one doesn’t belong?

## Activity 1 Put Together Pattern Blocks

How many pattern blocks do you have?

I have pattern blocks.

## Activity 2 Put Together Connecting Cubes

How many cubes do you and your partner have together?

We have cubes.

We have cubes.

## Activity 3 Centers: Choice Time

Choose a center.

Math Libs

Match Mine