Step 3

Difficulty 3

1. Add board: 183*+3*0=2*60
2. Add Board: Complete vertical algorithm
3. Add Board: Complete vertical algorithm
4. Add Board: Complete vertical algorithm
5. Add Board: Complete vertical algorithm
6. Hundreds and Hundreds: Complete vertical algorithm
7. Hundreds and Hundreds: Complete vertical algorithm
8. True or False? Click all the number sentences that are true.
9. True or False? Click all the number sentences that are true.
10. True or False? Click all the number sentences that are true.
11. True or False? Click all the number sentences that are true.
12. True or False? Click all the number sentences that are true.
13. Add it up: 2,969+852
14. Add it up: 3,268+852
15. Add it up: 2,959+356
16. Add it up: 5,478+852
17. Add it up: 5,478+852
18. Give or take a thousand: 136 558+9000
19. Give or take a thousand: 4000 more than 13 468
20. Give or take a thousand: 3000 more than 21 654
21. Same or different : Click all the boxes with the same answer.
22. Same or different : Click all the boxes with the same answer.
23. Same or different : Click all the boxes with the same answer.
24. Hundreds and Thousands: *5** - *90=1890
25. 1000s crossing: 2002-1999, 9015-8990, 5011-4991
26. 1000s crossing: 4011-3994, 5009-4989, 7013-6990
27. 1000s crossing: 3021-2988, 6017-5996, 2008-1994
28. True or False?: 267 - 89 = 178
29. True or False?: 287 = 372 - 85
30. True or False?: 576 = 652 - 74
31. Subtraction Chains
32. Subtraction Chains
33. Subtraction Chains
34. Subtraction Chains
35. Thousands Takeaway: Complete vertical algorithm
36. Thousands Takeaway: Complete vertical algorithm
37. Thousands Takeaway: Complete vertical algorithm
38. Thousands Takeaway: Complete vertical algorithm
39. Shannon's Day Out - $25-$3-$11-$6-$4=$1
40. Give or Take Thousands: 155 000 - 2000
41. Give or Take Thousands: 222 000 - 22 000
42. Give or Take Thousands: Take 39 000 from 49 000
43. Give or Take 1000: 155000 - 4000 = ?
44. Give or Take 1000: how much more 590000 than 290000
45. Give or Take Thousands: 19 000 less than 49 000
46. Sleep on it: $134-$79=$?
47. 1000s crossing: 4020-3990, 7005-6985, 3009-2999
48. 1000s crossing: 2030-1980, 4040-3960, 6010-5970
49. 1000s crossing: 1050-980, 2020-1970, 5070-4990
50. Uncle Max's New Car - $7845-$3250