🔢Math Standard
Estimating Sums and Differences by Rounding Worksheet
Round each number first, then add or subtract to estimate — a fast way to check if an answer is reasonable.
4th Grade 15 min
✓ Answer key
4th Grade · Math
4th Grade Rounding Worksheets
Before this skill
- Rounding to the nearest 10 and 100
- Adding and subtracting multi-digit numbers
- Place value to the hundred thousands
- Place value to the hundreds
- Comparing numbers
Common mistakes to watch for
- Rounding after adding instead of before
- Rounding to the wrong place
- Looking at the wrong place to decide
- Changing digits to the left of the rounding place
- Looking at the wrong digit to decide the rounding
Filter:
🔢Math Standard
Rounding Large Numbers Worksheet
Round large numbers to the nearest thousand and ten thousand using the 'look right' rule.
4th Grade 14 min
✓ Answer key
🔢Math Standard
Rounding to the Nearest 10 and 100 Worksheet
Round numbers to the nearest ten and hundred using the digit to the right and the halfway rule.
4th Grade 15 min
✓ Answer key
Suggested Practice Sequence
- 1 Estimating Sums and Differences by Rounding Worksheet standard
- 2 Rounding Large Numbers Worksheet standard
- 3 Rounding to the Nearest 10 and 100 Worksheet standard
Related Skills
Frequently Asked Questions
What do 4th Grade students practice with rounding?
Students will estimate sums and differences by rounding each number to the nearest ten or hundred.
Are these worksheets free and printable?
Yes — every worksheet is a free, printable PDF with an answer key. No sign-up required.