Rounding Decimals to Whole Numbers
Name: _______________________________
Date: _______________________________
Remember:
- • If the decimal is .5 or more, round up to the next whole number
- • If the decimal is less than .5, round down to the current whole number
- • Example: 7.3 rounds to 7 and 7.8 rounds to 8
Part A: Round each decimal to the nearest whole number
1. 4.2 = ________
2. 8.7 = ________
3. 12.5 = ________
4. 6.9 = ________
5. 15.1 = ________
6. 9.6 = ________
7. 3.4 = ________
8. 11.8 = ________
9. 20.3 = ________
10. 5.5 = ________
Part B: Circle the correct rounded number
11. 13.7 rounds to: 13 or 14
12. 8.2 rounds to: 8 or 9
13. 16.5 rounds to: 16 or 17
14. 22.9 rounds to: 22 or 23
15. 10.4 rounds to: 10 or 11
Part C: Word Problems
16. A pencil is 14.6 cm long. What is this length rounded to the nearest centimetre?
Answer: ________ cm
17. Sarah ran 3.2 kilometres. What is this distance rounded to the nearest kilometre?
Answer: ________ km
18. A bag of apples weighs 2.8 kg. What is this weight rounded to the nearest kilogram?
Answer: ________ kg