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Rounding whole numbers
Round whole numbers to the nearest 10 or 100 using the ones or tens digit. Review suitability for your learners before teaching.
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 309 to the nearest 10.
2. Round 319 to the nearest 10.
3. Round 5570 to the nearest 100.
4. Round 821 to the nearest 10.
5. Round 8530 to the nearest 100.
6. Round 7390 to the nearest 100.
7. Round 8710 to the nearest 100.
8. Round 691 to the nearest 10.
9. Round 8470 to the nearest 100.
10. Round 612 to the nearest 10.
11. Round 246 to the nearest 10.
12. Round 8860 to the nearest 100.
12 questions · Seed 60 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 309 to the nearest 10.
310309 is 1 away from 310, so it rounds to 310.
2. Round 319 to the nearest 10.
320319 is 1 away from 320, so it rounds to 320.
3. Round 5570 to the nearest 100.
56005570 is 30 away from 5600, so it rounds to 5600.
4. Round 821 to the nearest 10.
820821 is 1 away from 820, so it rounds to 820.
5. Round 8530 to the nearest 100.
85008530 is 30 away from 8500, so it rounds to 8500.
6. Round 7390 to the nearest 100.
74007390 is 10 away from 7400, so it rounds to 7400.
7. Round 8710 to the nearest 100.
87008710 is 10 away from 8700, so it rounds to 8700.
8. Round 691 to the nearest 10.
690691 is 1 away from 690, so it rounds to 690.
9. Round 8470 to the nearest 100.
85008470 is 30 away from 8500, so it rounds to 8500.
10. Round 612 to the nearest 10.
610612 is 2 away from 610, so it rounds to 610.
11. Round 246 to the nearest 10.
250246 is 4 away from 250, so it rounds to 250.
12. Round 8860 to the nearest 100.
89008860 is 40 away from 8900, so it rounds to 8900.
12 questions · Seed 60 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 309 to the nearest 10.
2. Round 319 to the nearest 10.
3. Round 5570 to the nearest 100.
4. Round 821 to the nearest 10.
5. Round 8530 to the nearest 100.
6. Round 7390 to the nearest 100.
7. Round 8710 to the nearest 100.
8. Round 691 to the nearest 10.
9. Round 8470 to the nearest 100.
10. Round 612 to the nearest 10.
11. Round 246 to the nearest 10.
12. Round 8860 to the nearest 100.
12 questions · Seed 60 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 309 to the nearest 10.
310309 is 1 away from 310, so it rounds to 310.
2. Round 319 to the nearest 10.
320319 is 1 away from 320, so it rounds to 320.
3. Round 5570 to the nearest 100.
56005570 is 30 away from 5600, so it rounds to 5600.
4. Round 821 to the nearest 10.
820821 is 1 away from 820, so it rounds to 820.
5. Round 8530 to the nearest 100.
85008530 is 30 away from 8500, so it rounds to 8500.
6. Round 7390 to the nearest 100.
74007390 is 10 away from 7400, so it rounds to 7400.
7. Round 8710 to the nearest 100.
87008710 is 10 away from 8700, so it rounds to 8700.
8. Round 691 to the nearest 10.
690691 is 1 away from 690, so it rounds to 690.
9. Round 8470 to the nearest 100.
85008470 is 30 away from 8500, so it rounds to 8500.
10. Round 612 to the nearest 10.
610612 is 2 away from 610, so it rounds to 610.
11. Round 246 to the nearest 10.
250246 is 4 away from 250, so it rounds to 250.
12. Round 8860 to the nearest 100.
89008860 is 40 away from 8900, so it rounds to 8900.
12 questions · Seed 60 · Age guidance, not curriculum certification