These worksheets focus on rounding 3‑digit numbers to the nearest hundred, giving students structured practice with place value and standard rounding rules. Each page includes 30 problems that help learners determine which hundred a number is closest to.
Print these for classroom activities, homework, or extra practice at home. Answers are included with each worksheet.
Teaching Tips for Introducing Rounding to the Nearest Hundred
Rounding to the nearest hundred is often the first time students work with a midpoint that isn’t a single digit, so it helps to start with concrete examples. Many teachers begin by showing students a number line from 0–100, then expand that idea to 100-200, 200-300, and so on. This helps students visualize that the “halfway point” is always the number ending in 50.
It also helps to connect rounding to real-life situations. For example, ask students whether they would rather estimate a class of 347 students as “about 300” or “about 400” when planning supplies. These small discussions help students understand why rounding matters and when it’s useful.
Practice rounding three‑digit numbers to the nearest hundred with these printable worksheets.
Students use the tens digit to decide whether to round up or down, and each sheet includes 30 problems for quick skill-building.
Rounding helps students make quick estimates and understand numbers in a more flexible way. It supports mental math and strengthens place value understanding.
Rounding to the Nearest Hundred (Lesson)
When rounding to the nearest hundred, pay attention to the tens digit. This digit determines whether the number moves up to the next hundred or stays at the current one.
- If the tens digit is 5 or higher, increase the hundreds digit by one and round up to the next hundred.
- If the tens digit is 4 or lower, keep the hundreds digit the same and round down to the lower hundred.
Example 1: Round 364 to the nearest hundred.
The hundreds digit is 3, which represents 300.
The tens digit is 6, which tells us whether to round up or down.
Since the tens digit is 5 or greater, we increase the hundreds digit by one and round up to 400.
So, 364 rounds to 400.
Example 2: Round 721 to the nearest hundred
The hundreds digit is 7, which represents 700.
The tens digit is 2, which is less than 5.
Because the tens digit is 4 or lower, we keep the hundreds digit the same and round down to 700.
So, 721 rounds to 700.
Want more rounding practice?
Once students are comfortable rounding to the nearest hundred, they can move on to larger numbers. Our rounding to the nearest thousand worksheets are a great next step!
For more practice or help with other pre-algebra topics, try our workbooks.
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