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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 390 to the nearest 100.
2. Round 162 to the nearest 10.
3. Round 5070 to the nearest 100.
4. Round 1240 to the nearest 100.
5. Round 4410 to the nearest 100.
6. Round 1880 to the nearest 100.
7. Round 238 to the nearest 10.
8. Round 4080 to the nearest 100.
9. Round 6170 to the nearest 100.
10. Round 153 to the nearest 10.
11. Round 709 to the nearest 10.
12. Round 636 to the nearest 10.
12 questions · Seed 44 · 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 390 to the nearest 100.
400390 is 10 away from 400, so it rounds to 400.
2. Round 162 to the nearest 10.
160162 is 2 away from 160, so it rounds to 160.
3. Round 5070 to the nearest 100.
51005070 is 30 away from 5100, so it rounds to 5100.
4. Round 1240 to the nearest 100.
12001240 is 40 away from 1200, so it rounds to 1200.
5. Round 4410 to the nearest 100.
44004410 is 10 away from 4400, so it rounds to 4400.
6. Round 1880 to the nearest 100.
19001880 is 20 away from 1900, so it rounds to 1900.
7. Round 238 to the nearest 10.
240238 is 2 away from 240, so it rounds to 240.
8. Round 4080 to the nearest 100.
41004080 is 20 away from 4100, so it rounds to 4100.
9. Round 6170 to the nearest 100.
62006170 is 30 away from 6200, so it rounds to 6200.
10. Round 153 to the nearest 10.
150153 is 3 away from 150, so it rounds to 150.
11. Round 709 to the nearest 10.
710709 is 1 away from 710, so it rounds to 710.
12. Round 636 to the nearest 10.
640636 is 4 away from 640, so it rounds to 640.
12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 390 to the nearest 100.
2. Round 162 to the nearest 10.
3. Round 5070 to the nearest 100.
4. Round 1240 to the nearest 100.
5. Round 4410 to the nearest 100.
6. Round 1880 to the nearest 100.
7. Round 238 to the nearest 10.
8. Round 4080 to the nearest 100.
9. Round 6170 to the nearest 100.
10. Round 153 to the nearest 10.
11. Round 709 to the nearest 10.
12. Round 636 to the nearest 10.
12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 390 to the nearest 100.
400390 is 10 away from 400, so it rounds to 400.
2. Round 162 to the nearest 10.
160162 is 2 away from 160, so it rounds to 160.
3. Round 5070 to the nearest 100.
51005070 is 30 away from 5100, so it rounds to 5100.
4. Round 1240 to the nearest 100.
12001240 is 40 away from 1200, so it rounds to 1200.
5. Round 4410 to the nearest 100.
44004410 is 10 away from 4400, so it rounds to 4400.
6. Round 1880 to the nearest 100.
19001880 is 20 away from 1900, so it rounds to 1900.
7. Round 238 to the nearest 10.
240238 is 2 away from 240, so it rounds to 240.
8. Round 4080 to the nearest 100.
41004080 is 20 away from 4100, so it rounds to 4100.
9. Round 6170 to the nearest 100.
62006170 is 30 away from 6200, so it rounds to 6200.
10. Round 153 to the nearest 10.
150153 is 3 away from 150, so it rounds to 150.
11. Round 709 to the nearest 10.
710709 is 1 away from 710, so it rounds to 710.
12. Round 636 to the nearest 10.
640636 is 4 away from 640, so it rounds to 640.
12 questions · Seed 44 · Age guidance, not curriculum certification