# 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.

## Activity 1 Compare by Place

## 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

## Activity 2 Compare Hundreds, Tens, and Ones

Compare the base-ten diagrams. Write each value as a three-digit number. Use the symbols

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

## Practice Problem

## Problem 1

Here are diagrams for two numbers.

Which two numbers are pictured in the diagrams.

Which number is larger? How do you know?

Use

or to compare the numbers.