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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 151 to the nearest 10.
2. Round 2820 to the nearest 100.
3. Round 262 to the nearest 10.
4. Round 118 to the nearest 10.
5. Round 170 to the nearest 100.
6. Round 2810 to the nearest 100.
7. Round 7390 to the nearest 100.
8. Round 422 to the nearest 10.
9. Round 1490 to the nearest 100.
10. Round 297 to the nearest 10.
11. Round 511 to the nearest 10.
12. Round 5430 to the nearest 100.
12 questions · Seed 59 · 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 151 to the nearest 10.
150151 is 1 away from 150, so it rounds to 150.
2. Round 2820 to the nearest 100.
28002820 is 20 away from 2800, so it rounds to 2800.
3. Round 262 to the nearest 10.
260262 is 2 away from 260, so it rounds to 260.
4. Round 118 to the nearest 10.
120118 is 2 away from 120, so it rounds to 120.
5. Round 170 to the nearest 100.
200170 is 30 away from 200, so it rounds to 200.
6. Round 2810 to the nearest 100.
28002810 is 10 away from 2800, so it rounds to 2800.
7. Round 7390 to the nearest 100.
74007390 is 10 away from 7400, so it rounds to 7400.
8. Round 422 to the nearest 10.
420422 is 2 away from 420, so it rounds to 420.
9. Round 1490 to the nearest 100.
15001490 is 10 away from 1500, so it rounds to 1500.
10. Round 297 to the nearest 10.
300297 is 3 away from 300, so it rounds to 300.
11. Round 511 to the nearest 10.
510511 is 1 away from 510, so it rounds to 510.
12. Round 5430 to the nearest 100.
54005430 is 30 away from 5400, so it rounds to 5400.
12 questions · Seed 59 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 151 to the nearest 10.
2. Round 2820 to the nearest 100.
3. Round 262 to the nearest 10.
4. Round 118 to the nearest 10.
5. Round 170 to the nearest 100.
6. Round 2810 to the nearest 100.
7. Round 7390 to the nearest 100.
8. Round 422 to the nearest 10.
9. Round 1490 to the nearest 100.
10. Round 297 to the nearest 10.
11. Round 511 to the nearest 10.
12. Round 5430 to the nearest 100.
12 questions · Seed 59 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 151 to the nearest 10.
150151 is 1 away from 150, so it rounds to 150.
2. Round 2820 to the nearest 100.
28002820 is 20 away from 2800, so it rounds to 2800.
3. Round 262 to the nearest 10.
260262 is 2 away from 260, so it rounds to 260.
4. Round 118 to the nearest 10.
120118 is 2 away from 120, so it rounds to 120.
5. Round 170 to the nearest 100.
200170 is 30 away from 200, so it rounds to 200.
6. Round 2810 to the nearest 100.
28002810 is 10 away from 2800, so it rounds to 2800.
7. Round 7390 to the nearest 100.
74007390 is 10 away from 7400, so it rounds to 7400.
8. Round 422 to the nearest 10.
420422 is 2 away from 420, so it rounds to 420.
9. Round 1490 to the nearest 100.
15001490 is 10 away from 1500, so it rounds to 1500.
10. Round 297 to the nearest 10.
300297 is 3 away from 300, so it rounds to 300.
11. Round 511 to the nearest 10.
510511 is 1 away from 510, so it rounds to 510.
12. Round 5430 to the nearest 100.
54005430 is 30 away from 5400, so it rounds to 5400.
12 questions · Seed 59 · Age guidance, not curriculum certification