Curriculum placement
Grade 2. This describes the skill, not a learner estimate.
Comparing three-digit numbers
Compare three-digit numbers using place value
Problem types
- Compare three-digit numbers
- Three-digit <, = or >
Builds on
- Hundreds, tens, and ones
- Compare two-digit numbers · Earlier idea
Compare the largest place first, and move to the next place only when digits match. Three-digit numbers add a hundreds place to that rule.
Leads to
- Place value of large whole numbers · Extend the idea
The same left-to-right place comparison works for any number of digits.
- Decimal place value through thousandths · Extend the idea
Comparing three-digit numbers digit by digit from the left extends to comparing decimals to thousandths.
Related skills
- Rounding whole numbers · Related idea
Rounding to the nearest hundred compares a number with the halfway point between two hundreds.
- Adding or subtracting 10 or 100 mentally · Shared foundations
- Regrouping within 1,000 · Shared foundations
Open the interactive map to explore lessons and skill connections.