# Lesson 13 Numbers in Many Ways

Let’s figure out how many things there are.

## Warm-up How Many Do You See: Different Arrangements of 4

How many do you see?

How do you see them?

## Activity 1 Matching Groups of Images and Numbers

Draw a line from each number to the group of dots that it matches.

## Activity 2 Different Arrangements, Same Number

With your partner place each card with the number it matches. Take turns flipping a card and explaining which number the card should go with.

## Activity 3 Centers: Choice Time

Choose a center.

Number Race

Geoblocks

Math Fingers

## Practice Problem

## Problem 1

Draw a line from each number to the group of dots it matches.