3. Place values - expanded forms Rounding up numbers Integers – addition /subtraction Scientific notation Names of numbers

4. Rose 100 + 20 + 5 =

5. 1,000 + 200 + 20 + 3 = Bronze medal

6. 3,000 + 400 + 50 + 6 = Silver medal

7. 7,000 + 700 + 70 + 7 = Gold medal

8. How is 67 spelt ? Rose

9. How is 112 spelt ? Bronze medal

10. How is 4,328 spelt ? Silver medal

11. How is 13,892 spelt ? Gold medal

12. Round 234 to the nearest ten. Rose

13. Round 658 to the nearest hundred. Bronze medal

14. Round 2,706 to the nearest thousand. Silver medal

15. Round 9,349 to the nearest thousand. Gold medal

16. Rose -3 + 4 =

17. - 5 + 5 = Bronze medal

18. 7- -3 = Silver medal

19. - 8 – 6 = Gold medal

20. Rose 2.3 x 10 2 =

21. 3.1 x 10 3 = Bronze medal

22. 7.6 x 10 4 = Silver medal

23. 8.9 x 10 5 = Gold medal