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.
Worksheet 1 Worksheet 2 Worksheet 3 Worksheet 4Rounding 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.
For more practice or help with other pre-algebra topics, try our workbooks.
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