# Lesson 1 Count Larger Collections of Objects

Let’s figure out how many objects are in our collections.

## Warm-up Choral Count: Count to 80 and Count On

Let’s count to 80.

Now, start at the number 10 and count to 20.

## Activity 1 Counting Collections

How many objects are in your collection?

## Activity 2 How We Count

What can we do to figure out how many cubes there are?

## Activity 3 Introduce Number Race, 11–20

Choose a center.

Number Race

Subtraction Towers

5-frames