Step 4

Difficulty 4

1. Adding hundreds: 695+*=959, 3492+500=*, 600m/t503=*
2. Adding hundreds: 364+*=1264, 426+600=*, 200m/t 236 =*
3. Adding hundreds 562+*=862, 658+200=*, 500m/t 352=*
4. Adding hundreds: 263+*=663, 222+500=*, 600m/t406=*
5. Adding hundreds 462+*=862, 426+300=* 800m/t169=*
6. Number detectives: Four's no chore - Add 4 clustered numbers
7. Number detectives: Four's no chore - Add 4 clustered numbers
8. Number detectives: Four's no chore - Add 4 clustered numbers
9. Number detectives: Four's no chore - Add 4 clustered numbers
10. Number detectives: Four's no chore - Add 4 clustered numbers
11. Adding the big ones: Write missing numbers in vertical addition
12. Adding the big ones: Write missing numbers in vertical addition
13. Thousands Takeaway: 70** - *104 = 1*99
14. Thousands Takeaway: *04* - 27*9 = 1*21
15. 50s get together: 4000 - ? = 750
16. 50s get together: 6000 - ? = 650
17. 50s get together: 2000 - ? = 150
18. 50s get together: 1000 - 650 = ?
19. 50s get together: 1000 - 450 = ?
20. 50s get together: 8000 - 450 = ?
21. 50s get together: ? - 150 = 1850
22. 50s get together: ? - 350 = 6650
23. 50s get together: ? - 850 = 4150
24. 50s get together: ? - 5350 = 650
25. Give or Take a Thousand 193051 - 3000 = ?
26. Give or Take a Thousand 714320 - 5000 = ?
27. Give or Take a Thousand 685531 - 2000 = ?
28. Give or Take a Thousand 214990 - 5000 = ?
29. Give or Take a Thousand 33750 - 3000 = ?
30. Give or Take a Thousand 142301 - 6000 = ?
31. Give or Take a Thousand 335771 - 8000 = ?
32. Give or Take a Thousand 1524151 - 20000 = ?
33. Give or Take a Thousand 1348159 - 10000 = ?
34. Give or Take a Thousand 31486128 - 30000 = ?
35. Give or Take a Thousand 13221 - 8000 = ?
36. Give or Take a Thousand 12850 - 4000 = ?
37. Give or Take a Thousand 31280 - 3000 = ?
38. Give or Take a Thousand 25190 - 6000 = ?
39. Give or Take a Thousand 14820 - 7000 = ?
40. Thirsty work: Comparison of volumes
41. Fete accomplished: Money addition and subtraction
42. Spot the difference: Write the difference between 612 and 588
43. Spot the difference: Write the difference between 315 and 291
44. Spot the difference: Write the difference between 708 and 687
45. Spot the difference: Write the difference between 475 and 395
46. Spot the difference: Write the difference between 117 and 95
47. Crossing the line: Subtracting distances
48. All around the garden: Addition and subtraction of distance measurements
49. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
50. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
51. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
52. Crossing the line: Subtracting distances