Number Detectives: Comparing Numbers Up to 999!

Introduction

Welcome Number Detectives! Today, you’ll explore the world of numbers up to 999. You’ll compare numbers to see which is greater, less, or equal using symbols (=, <, >). Use the links below to find clues and answer questions in your investigation log!

  • How can we compare numbers using symbols and words?

  • Why do we use <, >, and = to show number relationships?

  • How does place value help us determine which number is greater or less?

Task
  • Click each website link in order.

  • Read, play, or watch carefully.

  • Answer each question in your math journal.

  • Use your comparison symbols correctly!

 

Process
  1. Comparing Numbers 3-Digit Game – SplashLearn

  2. Place Value and Comparing Numbers – Math Playground

  3. Comparing Numbers Video – Khan Academy Kids

  4. Interactive Place Value Chart – Toy Theater

  5. Comparing Numbers Practice – IXL

  6. Symbols in Math – BBC Bitesize

 

 

Questions 

  • What symbol do we use when two numbers are the same?

  • Use the chart on Toy Theater to build 246 and 426. Which is greater? Write your comparison.

  • Using SplashLearn, compare 513 and 351. Which is smaller?

  • On Math Playground, what does the “hundreds” digit tell you when comparing numbers?

  • Compare 725 and 752. Which one has more tens?

  • Write the comparison for 480 ___ 408.

  • If 234 < 243, explain why it is less.

  • On BBC Bitesize, what does “greater than” mean?

  • Compare 615 and 516 using words and symbols.

  • Create your own pair of 3-digit numbers and compare them!

Conclusion

Pick a question and write the answer on a stick note and put it in the question parking lot.

  • How can we compare numbers using symbols and words?

  • Why do we use <, >, and = to show number relationships?

  • How does place value help us determine which number is greater or less?

Credits
Teacher Page

2.NR.3.1 Compare representations of whole numbers up to 999 and write a comparison statement using words and symbols. Limit to is equal to (=), is less than (<), and/or is greater than (>)