Rounding up – and down! Mental Mathematics Starters Activity 3a
Mathematics Objective Y4: Round any positive integer less than 1000 to the nearest 10….
Using this should help you learn: To say which ten a given number is the nearest to. Target = 17 correct
1. Write this to the nearest ten:
2. Write this to the nearest ten:
3. Write this to the nearest ten:
4. Write this to the nearest ten:
5. Write this to the nearest ten:
6. Write this to the nearest ten:
7. Write this to the nearest ten:
8. Write this to the nearest ten: 7 423
9. Write this to the nearest ten:
10. Write this to the nearest ten:
11. Write this to the nearest ten:
12. Write this to the nearest ten:
13. Write this to the nearest ten:
14. Write this to the nearest ten:
15. Write this to the nearest ten:
16. Write this to the nearest ten: 4 859
17. Write this to the nearest ten:
18. Write this to the nearest ten:
19. Write this to the nearest ten:
20. Write this to the nearest ten:
Evaluation... Did you: Say correctly which ten at least 17 of these numbers were nearest to?