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Rounding up – and down!
Mental Mathematics Starters
Activity 3b
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Mathematics Objective
Y4: Round any positive integer less than 1000 to the nearest …. 100.
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Using this should help you learn:
To say which hundred a given number is the nearest to.
Target = 17 correct
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1. Write this to the nearest hundred:
63137
![Page 5: Rounding up – and down! Mental Mathematics Starters Activity 3b](https://reader035.vdocument.in/reader035/viewer/2022081520/5697c0261a28abf838cd5f95/html5/thumbnails/5.jpg)
2. Write this to the nearest hundred:
418781
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3. Write this to the nearest hundred:
213422
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4. Write this to the nearest hundred:
862289
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5. Write this to the nearest hundred:
182426
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6. Write this to the nearest hundred:
516713
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7. Write this to the nearest hundred:
567957
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8. Write this to the nearest hundred:
172622
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9. Write this to the nearest hundred:
349228
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10. Write this to the nearest hundred:
982532
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11. Write this to the nearest hundred:
99842
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12. Write this to the nearest hundred:
565479
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13. Write this to the nearest hundred:
342619
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14. Write this to the nearest hundred:
214477
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15. Write this to the nearest hundred:
931845
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16. Write this to the nearest hundred:
468938
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17. Write this to the nearest hundred:
727453
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18. Write this to the nearest hundred:
254192
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19. Write this to the nearest hundred:
346450
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20. Write this to the nearest hundred:
250498
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Evaluation . . . Did you:
Say correctly which hundred at least 17 of these numbers were nearest to?