# Lesson 5 Compose and Decompose Numbers Within 1,000

Let’s represent numbers in many different ways.

## Warm-up What Do You Know About …?

What do you know about 308?

## Activity 1 How Many Did You Get?

## Problem 1

Start with 2 hundreds. Grab a handful of tens and of ones.

What number do your base-ten blocks represent?

Represent the same number in another way. Show your thinking using diagrams, symbols, or other representations.

## Problem 2

Combine your blocks with your partner’s blocks.

What number do your base-ten blocks represent?

Represent the same number in another way. Show your thinking using diagrams, symbols, or other representations.

## Problem 3

Represent your group’s number in the following ways:

without hundreds

without tens

without hundreds or tens

## Activity 2 Let Me Count the Ways

Represent 356 in at least 3 different ways. Show your thinking using diagrams, symbols, or other representations.

Create a poster with your group to show 356 in different ways.