Step 2
Difficulty 2
1. | Make 700: 350+125+? | |
2. | Same or different: Click all the boxes with the same answer. | |
3. | Same or different: Click all the boxes with the same answer. | |
4. | Same or different: Click all the boxes with the same answer. | |
5. | Number Detectives: Mystery Teens | |
6. | 100 Zone: 180+30, 270+50, 40+330 | |
7. | 100 Zone: 568+30, 623+20, 60+480 | |
8. | 100 Zone: 372+20, 638+50, 110+40 | |
9. | 100 Zone: 263+20, 390+30, 70+680 | |
10. | 100 Zone: 890+50, 329+30, 50+440 | |
11. | Complementary pairs: 347+454=801 | |
12. | Complementary pairs: 482+395=877 | |
13. | Complementary pairs: 278+596=874 | |
14. | Complementary pairs: 532+209=741 | |
15. | Complementary pairs: 627+277=904 | |
16. | Add it up: 5346+369 | |
17. | Add board: 140*+8*0=*229 | |
18. | Add board: *7*0+458=2*5* | |
19. | Add board: 15*5+60*=2*55 | |
20. | Add board: 1*88+4*0=*10* | |
21. | Adding Hundreds 136+*=536 566+200=* 300m/t264=* | |
22. | Adding Hundreds 532+*=732 328+500=* 600m/t119=* | |
23. | Adding 105 254+*=250 421+105=* 105m/t101=* | |
24. | Hundreds to Add - 562+*=667 263+105=* 105m/t714=* | |
25. | Hundreds to Add - 365+*=470 532=105=637 105m/t283=* | |
26. | Hundreds and Hundreds: Complete vertical algorithm | |
27. | Hundreds and Hundreds: Complete vertical algorithm | |
28. | Hundreds and Hundreds: Complete vertical algorithm | |
29. | True or False? Click all the number sentences that are true. | |
30. | True or False? Click all the number sentences that are true. | |
31. | True or False? Click all the number sentences that are true. | |
32. | True or False? Click all the number sentences that are true. | |
33. | True or False? Click all the number sentences that are true. | |
34. | True or False?: 80-60=44-24 | |
35. | Hundreds Takeaway: 777 - 699 = *78 | |
36. | Hundreds Takeaway: 792 -*6* = 5*8 | |
37. | Subtraction Chains | |
38. | Thousands Takeaway: 61*8 - 4*2* =*219 | |
39. | Thousands Takeaway: *47* - 2859 = 5**4 | |
40. | Hundreds and Thousands: *782 - *3* = 18*6 | |
41. | 100 zone: 105-15, 306-8, 109-10 | |
42. | 100 zone: 304-7, 400-15, 401-5 | |
43. | 100 zone: 400-6, 400-9, 400-11 | |
44. | 100 zone: 402-5, 312-15, 314-15 | |
45. | 100 zone: 108-9, 111-12, 106-7 | |
46. | 1000s crossing: 6010-5995, 8012-7990, 4023-3998 | |
47. | 1000s crossing: 8016-7991, 7004-6987, 9020-8995 | |
48. | Same or different: Click all the boxes with the same answer. | |
49. | Same or different: Click all the boxes with the same answer. |