# Lesson 5 Center Day 1

Let’s add numbers within 1,000.

## Warm-up How Many Do You See: Hundreds, Tens, and Ones

How many do you see? How do you see them?

## Activity 1 Introduce Five in a Row, Add within 1,000 without Composing

We are going to learn a new stage in the Five in a Row center.

## Activity 2 Centers: Choice Time

Choose a center.

Five in a Row: Addition and Subtraction

Get Your Numbers in Order

Mystery Number

Greatest of them All

## Practice Problem

## Problem 1

Find the value of each expression. Explain your reasoning.