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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 27 to the nearest 10.
2. Round 347 to the nearest 10.
3. Round 1830 to the nearest 100.
4. Round 1910 to the nearest 100.
5. Round 1680 to the nearest 100.
6. Round 161 to the nearest 10.
7. Round 288 to the nearest 10.
8. Round 472 to the nearest 10.
9. Round 3310 to the nearest 100.
10. Round 724 to the nearest 10.
11. Round 6330 to the nearest 100.
12. Round 690 to the nearest 100.
12 questions · Seed 76 · 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 27 to the nearest 10.
3027 is 3 away from 30, so it rounds to 30.
2. Round 347 to the nearest 10.
350347 is 3 away from 350, so it rounds to 350.
3. Round 1830 to the nearest 100.
18001830 is 30 away from 1800, so it rounds to 1800.
4. Round 1910 to the nearest 100.
19001910 is 10 away from 1900, so it rounds to 1900.
5. Round 1680 to the nearest 100.
17001680 is 20 away from 1700, so it rounds to 1700.
6. Round 161 to the nearest 10.
160161 is 1 away from 160, so it rounds to 160.
7. Round 288 to the nearest 10.
290288 is 2 away from 290, so it rounds to 290.
8. Round 472 to the nearest 10.
470472 is 2 away from 470, so it rounds to 470.
9. Round 3310 to the nearest 100.
33003310 is 10 away from 3300, so it rounds to 3300.
10. Round 724 to the nearest 10.
720724 is 4 away from 720, so it rounds to 720.
11. Round 6330 to the nearest 100.
63006330 is 30 away from 6300, so it rounds to 6300.
12. Round 690 to the nearest 100.
700690 is 10 away from 700, so it rounds to 700.
12 questions · Seed 76 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 27 to the nearest 10.
2. Round 347 to the nearest 10.
3. Round 1830 to the nearest 100.
4. Round 1910 to the nearest 100.
5. Round 1680 to the nearest 100.
6. Round 161 to the nearest 10.
7. Round 288 to the nearest 10.
8. Round 472 to the nearest 10.
9. Round 3310 to the nearest 100.
10. Round 724 to the nearest 10.
11. Round 6330 to the nearest 100.
12. Round 690 to the nearest 100.
12 questions · Seed 76 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 27 to the nearest 10.
3027 is 3 away from 30, so it rounds to 30.
2. Round 347 to the nearest 10.
350347 is 3 away from 350, so it rounds to 350.
3. Round 1830 to the nearest 100.
18001830 is 30 away from 1800, so it rounds to 1800.
4. Round 1910 to the nearest 100.
19001910 is 10 away from 1900, so it rounds to 1900.
5. Round 1680 to the nearest 100.
17001680 is 20 away from 1700, so it rounds to 1700.
6. Round 161 to the nearest 10.
160161 is 1 away from 160, so it rounds to 160.
7. Round 288 to the nearest 10.
290288 is 2 away from 290, so it rounds to 290.
8. Round 472 to the nearest 10.
470472 is 2 away from 470, so it rounds to 470.
9. Round 3310 to the nearest 100.
33003310 is 10 away from 3300, so it rounds to 3300.
10. Round 724 to the nearest 10.
720724 is 4 away from 720, so it rounds to 720.
11. Round 6330 to the nearest 100.
63006330 is 30 away from 6300, so it rounds to 6300.
12. Round 690 to the nearest 100.
700690 is 10 away from 700, so it rounds to 700.
12 questions · Seed 76 · Age guidance, not curriculum certification