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.