# 2.5 Numbers to 1,000

## Unit Goals

- Students extend place value understanding to three-digit numbers.

### Section A Goals

- Read, write, and represent three-digit numbers using base-ten numerals and expanded form.
- Use place value understanding to compose and decompose three-digit numbers.

### Section B Goals

- Compare and order three-digit numbers using place value understanding and the relative position of numbers on a number line.
- Represent whole numbers up to 1,000 as lengths from 0 on a number line.