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First/Base 10 Blocks

🔢 Compare Three-Digit Numbers

Students compare two three-digit numbers and write >, <, or = to show the relationship. By comparing hundreds first, then tens, then ones, students extend their GR1 comparison skills to the hundreds place — building the number-sense foundation for rounding, ordering, and mental math with larger numbers.
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Prerequisites
🟦 Decompose the Number: Hundreds, Tens, and Ones6 WS
234 = ___ hundreds + ___ tens + ___ ones

Practice Questions

  1. 234 ? 198
    Show answer

    >

  2. 307 ? 307
    Show answer

    =

  3. 521 ? 489
    Show answer

    >

Teacher Resources
Teaching Notes

This is the GR2 extension of Compare Two Numbers: Tens and Ones (GR1). Reinforce left-to-right comparison: always start with the largest place value. A number line from 0–1000 or a hundreds chart helps visual learners.

Common Mistakes
  • Comparing ones or tens first instead of hundreds
  • Confusing > and < direction — remind them the open mouth faces the larger number
  • Stopping at hundreds when they are equal instead of moving to tens
Differentiation
SupportUse a place value chart. Write each number in H, T, O columns and compare column by column, left to right.
ChallengeHave students write a sentence: "347 > 289 because 3 hundreds is more than 2 hundreds."
Discussion Questions
  • Why do we compare hundreds before tens?
  • Can a number with more tens still be smaller overall?
  • What is the largest 3-digit number? The smallest?
Extension Activities
  • Write five 3-digit numbers and order them least to greatest
  • Play "war" with number cards — flip three cards each, make the biggest number, compare
  • Find two 3-digit numbers in everyday life (prices, distances) and compare them
Learning Path
Skill Level

intermediate

Estimated Time

12 minutes

Skills Practiced
Three digit comparison