Lesson 11 Place Value Comparisons (Part 2)

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

Warm-up True or False: Greater Than or Less Than

Decide if each statement is true or false. Be prepared to explain your reasoning.

Activity 1 Compare and Explain

Problem 1

Compare the numbers.

  1. ,, or

    521 523

    Explain or show your thinking. If it helps, use a diagram or number line.

  2. ,, or

    889 878

    Explain or show your thinking. If it helps, use a diagram or number line.

Problem 2

Place the numbers in the blanks to make each comparison true. Use each number only once. Use base-ten diagrams or a number line if it helps.

810

529

752

495

Activity 2 Play Greatest of Them All

Practice Problem

Problem 1

  1. Find one number that goes in the blanks to make both equations true.

  2. Can you find one number that goes in the blanks to make both equations true? Explain or show your reasoning.