Step 2

Difficulty 2

1. In the Square: 0.5 squared, 0.2 squared, square root of 0.25
2. In the Square: 0.1 squared, 0.9 squared, square root of 0.36
3. Round to nearest ten: 482.898 117.02 1455.04
4. Round to one hundredth: 48.672 39.902 23.706
5. What's That Number?
6. What's That Number?
7. Order! Order! 3 dec places - Smallest number first
8. Order! Order! 3 dec places - Largest number first
9. Space Shuffle: Find the pattern
10. Space Shuffle: Find the pattern
11. Size-Wise: Smallest no. with 2 dec. places
12. Changing Numbers: 120.9 x 0.1, + 11.1, + 0.1, x 100
13. Pickin' the Pattern: 2, 5, 11, 23, * , *
14. Number Detectives: A number + its square = 30 (2 integers)
15. Number Detectives: a+b=15 Highest value of product?
16. Number Detectives: Sum of 4 consecutive odd nos = 40
17. Number Detectives: Sum of 4 consecutive odd nos = 120
18. Number Detectives: Sum of 4 consecutive even nos = 60
19. Expanded notation: 5731.88
20. Expanded notation: 65 424.791
21. Expanded notation: 35 248.916
22. Expanded notation: 348 267.159
23. Expanded notation: 123 789.456
24. Find the Power: Write numbers as powers of 10
25. Find the Power: Write numbers as powers of 10
26. Find the Power: Write numbers as powers of 10
27. Find the Power: Write numbers as powers of 10
28. Order! Order! 5 dec places - Smallest number first
29. Order! Order! 5 dec places - Largest number first
30. Number Detectives: Sum of 4 consecutive odd nos = 80
31. See You Round: 9.951 to whole number, 1dp, 2dp
32. See You Round: Round 15.992 to a whole no, 1, 2 dec places
33. See You Round: Round 6.9871 to 1, 2, 3 dec places
34. See You Round: Round 52.3694 to 1, 2, 3 dec places
35. Going Up: Ordering numbers with index notation
36. Going Down: Ordering numbers with index notation
37. Going Up: Ordering numbers with index notation
38. Significantly Speaking: 7.0821 to 1, 2, 3 significant figures
39. Significantly Speaking: 32.589 to 1, 2, 3 significant figures
40. Significantly Speaking: 2587 to 1, 2, 3 significant figures
41. By Jupiter!: Write 1.1094 x 10[10] metres as a distance in kilometres
42. When in Rome: Convert MCCLX
43. When in Rome: Convert CDLXXIII
44. Number Detectives: a[6] = 729
45. Expand Numbers: Using indices
46. When in Rome: Convert CDXLV
47. Pickin' the Pattern: Kaprekar's sequence