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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 1280 to the nearest 100.
2. Round 536 to the nearest 10.
3. Round 342 to the nearest 10.
4. Round 148 to the nearest 10.
5. Round 3630 to the nearest 100.
6. Round 7980 to the nearest 100.
7. Round 8730 to the nearest 100.
8. Round 62 to the nearest 10.
9. Round 141 to the nearest 10.
10. Round 209 to the nearest 10.
11. Round 42 to the nearest 10.
12. Round 588 to the nearest 10.
12 questions · Seed 63 · 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 1280 to the nearest 100.
13001280 is 20 away from 1300, so it rounds to 1300.
2. Round 536 to the nearest 10.
540536 is 4 away from 540, so it rounds to 540.
3. Round 342 to the nearest 10.
340342 is 2 away from 340, so it rounds to 340.
4. Round 148 to the nearest 10.
150148 is 2 away from 150, so it rounds to 150.
5. Round 3630 to the nearest 100.
36003630 is 30 away from 3600, so it rounds to 3600.
6. Round 7980 to the nearest 100.
80007980 is 20 away from 8000, so it rounds to 8000.
7. Round 8730 to the nearest 100.
87008730 is 30 away from 8700, so it rounds to 8700.
8. Round 62 to the nearest 10.
6062 is 2 away from 60, so it rounds to 60.
9. Round 141 to the nearest 10.
140141 is 1 away from 140, so it rounds to 140.
10. Round 209 to the nearest 10.
210209 is 1 away from 210, so it rounds to 210.
11. Round 42 to the nearest 10.
4042 is 2 away from 40, so it rounds to 40.
12. Round 588 to the nearest 10.
590588 is 2 away from 590, so it rounds to 590.
12 questions · Seed 63 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Rounding whole numbers
Take your time. Show your thinking.
1. Round 1280 to the nearest 100.
2. Round 536 to the nearest 10.
3. Round 342 to the nearest 10.
4. Round 148 to the nearest 10.
5. Round 3630 to the nearest 100.
6. Round 7980 to the nearest 100.
7. Round 8730 to the nearest 100.
8. Round 62 to the nearest 10.
9. Round 141 to the nearest 10.
10. Round 209 to the nearest 10.
11. Round 42 to the nearest 10.
12. Round 588 to the nearest 10.
12 questions · Seed 63 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Rounding whole numbers
Answers and reasoning. Review before teaching.
1. Round 1280 to the nearest 100.
13001280 is 20 away from 1300, so it rounds to 1300.
2. Round 536 to the nearest 10.
540536 is 4 away from 540, so it rounds to 540.
3. Round 342 to the nearest 10.
340342 is 2 away from 340, so it rounds to 340.
4. Round 148 to the nearest 10.
150148 is 2 away from 150, so it rounds to 150.
5. Round 3630 to the nearest 100.
36003630 is 30 away from 3600, so it rounds to 3600.
6. Round 7980 to the nearest 100.
80007980 is 20 away from 8000, so it rounds to 8000.
7. Round 8730 to the nearest 100.
87008730 is 30 away from 8700, so it rounds to 8700.
8. Round 62 to the nearest 10.
6062 is 2 away from 60, so it rounds to 60.
9. Round 141 to the nearest 10.
140141 is 1 away from 140, so it rounds to 140.
10. Round 209 to the nearest 10.
210209 is 1 away from 210, so it rounds to 210.
11. Round 42 to the nearest 10.
4042 is 2 away from 40, so it rounds to 40.
12. Round 588 to the nearest 10.
590588 is 2 away from 590, so it rounds to 590.
12 questions · Seed 63 · Age guidance, not curriculum certification