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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 144 to the nearest 10.
2. Round 6820 to the nearest 100.
3. Round 897 to the nearest 10.
4. Round 630 to the nearest 100.
5. Round 149 to the nearest 10.
6. Round 940 to the nearest 100.
7. Round 5960 to the nearest 100.
8. Round 3680 to the nearest 100.
9. Round 623 to the nearest 10.
10. Round 9030 to the nearest 100.
11. Round 5820 to the nearest 100.
12. Round 3270 to the nearest 100.
12 questions · Seed 86 · 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 144 to the nearest 10.
140144 is 4 away from 140, so it rounds to 140.
2. Round 6820 to the nearest 100.
68006820 is 20 away from 6800, so it rounds to 6800.
3. Round 897 to the nearest 10.
900897 is 3 away from 900, so it rounds to 900.
4. Round 630 to the nearest 100.
600630 is 30 away from 600, so it rounds to 600.
5. Round 149 to the nearest 10.
150149 is 1 away from 150, so it rounds to 150.
6. Round 940 to the nearest 100.
900940 is 40 away from 900, so it rounds to 900.
7. Round 5960 to the nearest 100.
60005960 is 40 away from 6000, so it rounds to 6000.
8. Round 3680 to the nearest 100.
37003680 is 20 away from 3700, so it rounds to 3700.
9. Round 623 to the nearest 10.
620623 is 3 away from 620, so it rounds to 620.
10. Round 9030 to the nearest 100.
90009030 is 30 away from 9000, so it rounds to 9000.
11. Round 5820 to the nearest 100.
58005820 is 20 away from 5800, so it rounds to 5800.
12. Round 3270 to the nearest 100.
33003270 is 30 away from 3300, so it rounds to 3300.
12 questions · Seed 86 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 144 to the nearest 10.
2. Round 6820 to the nearest 100.
3. Round 897 to the nearest 10.
4. Round 630 to the nearest 100.
5. Round 149 to the nearest 10.
6. Round 940 to the nearest 100.
7. Round 5960 to the nearest 100.
8. Round 3680 to the nearest 100.
9. Round 623 to the nearest 10.
10. Round 9030 to the nearest 100.
11. Round 5820 to the nearest 100.
12. Round 3270 to the nearest 100.
12 questions · Seed 86 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 144 to the nearest 10.
140144 is 4 away from 140, so it rounds to 140.
2. Round 6820 to the nearest 100.
68006820 is 20 away from 6800, so it rounds to 6800.
3. Round 897 to the nearest 10.
900897 is 3 away from 900, so it rounds to 900.
4. Round 630 to the nearest 100.
600630 is 30 away from 600, so it rounds to 600.
5. Round 149 to the nearest 10.
150149 is 1 away from 150, so it rounds to 150.
6. Round 940 to the nearest 100.
900940 is 40 away from 900, so it rounds to 900.
7. Round 5960 to the nearest 100.
60005960 is 40 away from 6000, so it rounds to 6000.
8. Round 3680 to the nearest 100.
37003680 is 20 away from 3700, so it rounds to 3700.
9. Round 623 to the nearest 10.
620623 is 3 away from 620, so it rounds to 620.
10. Round 9030 to the nearest 100.
90009030 is 30 away from 9000, so it rounds to 9000.
11. Round 5820 to the nearest 100.
58005820 is 20 away from 5800, so it rounds to 5800.
12. Round 3270 to the nearest 100.
33003270 is 30 away from 3300, so it rounds to 3300.
12 questions · Seed 86 · Age guidance, not curriculum certification