Step 4

Difficulty 4

1. Space Shuffle: Find the pattern
2. Round to 2 decimal places: 653.289 583.369 453.971
3. Round to 2 decimal places: 201.999 423.199 958.824
4. Round to 2 decimal places: 957.399 453.299 467.499
5. Space Shuffle: Find the pattern
6. Round to nearest 10 000: 6 479 503 1 348 902 913 976
7. Round to nearest 100 000: 891 403 150 002 3 047 909
8. Round to nearest tenth: 120.45 351.93 86.88
9. Round to nearest whole number: 498.94 66.498 1090.9
10. Round to nearest 10 000: 42 369 25 789 35 987
11. Round to nearest 10 000: 86 258 44 258 36 258
12. Round to nearest 100 000: 102 366 948 100 635 222
13. Round to nearest 100 000: 258 563 367 159 583 147
14. Round to nearest 10 000: 36 028 12 963 64 287
15. Round to nearest 100 000: 7 258 058 8 369 258 5 439 358
16. Round to nearest 100 000: 5 561 778 8 189 632 3 486 982
17. About Half: 5 750 500 5 112 098 771 597 1 190 785
18. About Half: 2 258 147 1258.36 202 250 820 258
19. About Half: 209.42 29.42 94.24 290.81
20. Space Shuffle: Find the pattern
21. Space Shuffle: Find the pattern
22. Space Shuffle: Find the pattern
23. Space Shuffle: Find the pattern
24. A Matter of Factors: Factors of 96
25. A Matter of Factors: Factors of 30
26. A Matter of Factors: Factors of 40
27. Changing Numbers: 453x10, +1000, +1, ÷ 0.1
28. Changing Numbers: 61.36 x10, x 0.1, +10.01, ÷0.01
29. Changing Numbers: 58.32 x 100, + 10.1, - 0.01, ÷10
30. Prime Time: Prime numbers
31. Prime Time: Prime numbers
32. Prime Time: Prime numbers
33. Number Detectives: Prime a + prime b=15
34. Number Detectives: b-a=8, ab=20
35. Number Detectives: a+b=19, ab=84
36. Number Detectives: a+b=13, ab=42
37. Number Detectives: a+b=12, ab=32
38. Number Detectives: LCM of 6 & 8
39. Number Detectives: HCF of 18 and 24
40. Factor Facts: Common Factors of 36 & 120
41. Factor Facts: Common Factors of 45 & 120
42. Factor Facts: Common Factors of 96 & 120