# Lesson 10 Place Value Comparisons (Part 1)

• Let’s use place value to compare three-digit numbers.

## Warm-up Number Talk: Add Tens

Find the value of each expression mentally.

## Problem 1

Who has more? How do you know?

## Problem 2

Compare the base-ten diagrams.

Write each value as a three-digit number. Use the symbols , , or  to compare the numbers.

## Activity 2 Compare Hundreds, Tens, and Ones

Compare the base-ten diagrams. Write each value as a three-digit number. Use the symbols , , or  to compare the numbers.

1. In the last problem, how do you know which value was greater?

## Problem 1

Here are diagrams for two numbers.

1. Which two numbers are pictured in the diagrams.

2. Which number is larger? How do you know?

3. Use or to compare the numbers.