Math: How to Round Numbers Practice
Practice rounding whole numbers and decimals
Math: How to Round Numbers Practice
Practice rounding whole numbers and decimals
Math - Grade 4-5
- 1
Round 47 to the nearest ten.
Look at the ones digit to decide whether to round up or down.
47 rounds to 50 because the ones digit is 7, and 7 is 5 or greater. - 2
Round 326 to the nearest hundred.
326 rounds to 300 because the tens digit is 2, and 2 is less than 5. - 3
Round 5,814 to the nearest thousand.
When rounding to the nearest thousand, look at the hundreds digit.
5,814 rounds to 6,000 because the hundreds digit is 8, and 8 is 5 or greater. - 4
Round 9,449 to the nearest hundred.
9,449 rounds to 9,400 because the tens digit is 4, and 4 is less than 5. - 5
Round 12,650 to the nearest thousand.
Keep the thousands place, then check the hundreds place.
12,650 rounds to 13,000 because the hundreds digit is 6, and 6 is 5 or greater. - 6
Round 78,321 to the nearest ten thousand.
78,321 rounds to 80,000 because the thousands digit is 8, and 8 is 5 or greater. - 7
Round 4.6 to the nearest whole number.
To round to the nearest whole number, look at the tenths digit.
4.6 rounds to 5 because the tenths digit is 6, and 6 is 5 or greater. - 8
Round 13.24 to the nearest tenth.
13.24 rounds to 13.2 because the hundredths digit is 4, and 4 is less than 5. - 9
Round 8.75 to the nearest tenth.
When the digit to the right is 5 or greater, round up.
8.75 rounds to 8.8 because the hundredths digit is 5, so the tenths digit increases by 1. - 10
A school library has 3,472 books. Round the number of books to the nearest hundred.
3,472 books rounds to 3,500 books because the tens digit is 7, and 7 is 5 or greater. - 11
A runner completed a race in 26.38 seconds. Round the time to the nearest tenth of a second.
Find the tenths place first, then look one digit to the right.
26.38 seconds rounds to 26.4 seconds because the hundredths digit is 8, and 8 is 5 or greater. - 12
A town has a population of 48,503 people. Round the population to the nearest thousand.
When a number is exactly at 5 in the next place value, round up.
48,503 people rounds to 49,000 people because the hundreds digit is 5, so the thousands digit increases by 1.