Step 2
Difficulty 2
| 1. | True or False? 2+8 = 8+2 | |
| 2. | Word Wise: Double 6 | |
| 3. | Back to School: 5c + 15c + 7 c | |
| 4. | Make 20: 7+4+? | |
| 5. | Make 20: 11+5+? | |
| 6. | Make 20: 8+9+? | |
| 7. | Number Detectives: 10 + ? = 34 | |
| 8. | Same or Different? Click all boxes with answer 20 | |
| 9. | Adding tens: 42 + 10 = ? | |
| 10. | Now Add This! 19+20, 19+24 | |
| 11. | 40s zone: Add on 5 to 36. | |
| 12. | 40s zone: 37 plus 5 | |
| 13. | 40s zone: Add on 3 to 38 | |
| 14. | 50s zone: 49 plus 3 | |
| 15. | 50s zone: 4 more than 47 | |
| 16. | Bob's and Kai-ling's teams $16 + $7 = $? | |
| 17. | Make 30: 10 + 11 + ? = 30 | |
| 18. | Make 30: 19 + 2 + ? = 30 | |
| 19. | Make 30: 20 + 10 + ? = 30 | |
| 20. | Make 30: 16 + 4 + ? = 30 | |
| 21. | Make 30: 18 + 3 + ? = 30 | |
| 22. | On the board 13 + 15 = ? | |
| 23. | On the board 12 + 13 = ? | |
| 24. | On the board 14 + 12 = ? | |
| 25. | On the board 18 + 11 = ? | |
| 26. | On the board 15 + 14 = ? | |
| 27. | Changing numbers: 24 changes to 33 | |
| 28. | Changing numbers: 19 changes to 28 | |
| 29. | Changing numbers: 13 changes to 21 | |
| 30. | Changing numbers: 9 changes to 17 | |
| 31. | Changing numbers: 8 changes to 17 | |
| 32. | Number Detectives: ? + 7 = 30 | |
| 33. | Number Detectives: ? + 24 = 30 | |
| 34. | True or False?: 17 + 4 = 20 | |
| 35. | True or False?: 8 + 8 = 16 | |
| 36. | True or False?: 9 + 8 = 16 | |
| 37. | True or False?: 5 + 6 = 12 | |
| 38. | True or False?: 7 + 9 = 16 | |
| 39. | True or False?: 13 + 1 = 1 + 13 | |
| 40. | True or False?: 9 + 7 = 17 | |
| 41. | Number Detectives: 10 + 20 = ? | |
| 42. | Number Detectives: 22 + ? = 30 | |
| 43. | Number Detectives: 21 + ? = 30 | |
| 44. | Beyond 20: What is 6 more than 29? | |
| 45. | Beyond 50: What is 4 more than 57? | |
| 46. | Beyond 70: What is 8 more than 78? | |
| 47. | Beyond 30: What is 4 more than 38? | |
| 48. | Beyond 60: What is 5 more than 68? | |
| 49. | Addition Chains: 10 + 4 + 6 + 2, 11 + 2 + 3 + 4 | |
| 50. | Addition Chains: 4 + 5 + 5 + 2, 10 + 5 + 5 + 10 | |
| 51. | Addition Chains: 2 + 4 + 3 + 10, 12 + 1 + 2 + 7 | |
| 52. | Addition Chains: 3 + 2 + 4 + 2, 7 + 2 + 3 + 4 | |
| 53. | Add three numbers: 14 + 12 + 8 | |
| 54. | Number detectives: ? - 6 = 3 | |
| 55. | Number detectives: ? - 7 = 2 | |
| 56. | Number detectives: 14 - 6 = ? | |
| 57. | Number detectives: 15 - 9 = ? | |
| 58. | Number detectives: 11 - 8 = ? | |
| 59. | Number detectives: 13 - 5 = ? | |
| 60. | Number detectives: 15 - 13 = ? | |
| 61. | Write the missing number: 11 + ? + 2 = 20 | |
| 62. | Write the missing number: 6 + 9 + ? = 20 | |
| 63. | Takeaway board: 17-?=11 | |
| 64. | Takeaway board: 15-?=11 | |
| 65. | Takeaway board: 18-? = 12 | |
| 66. | Takeaway board: 16-? = 13 | |
| 67. | Takeaway board: 19-? = 14 | |
| 68. | 12 + 7 = 19 - so what else is true? | |
| 69. | Put in the missing number: 5 + 4 + ? = 16 | |
| 70. | Put in the missing number: 11 + ? + 6 = 25 | |
| 71. | True or False?: 12 - 6 = 6 | |
| 72. | Subtraction Chain - 22-4=?-3=15 | |
| 73. | Subtraction Chain - ?-8=16-2=14 | |
| 74. | Subtraction Chain - 29-8=21-3=? | |
| 75. | Subtraction Chain - 26-5=21-4=? | |
| 76. | Subtraction Chain - ?-4=19-3=16 | |
| 77. | Mysteries of Thirty: 30-?=29, 30-?=24 | |
| 78. | Mysteries of Thirty: 30-?=21, 30-?=27 | |
| 79. | Mysteries of Thirty: 30-?=26, 30-?=22 | |
| 80. | True or False?: 16 - 8 = 8 | |
| 81. | True or False?: 23 - 5 = 18 | |
| 82. | True or False?: 19 - 6 = 12 | |
| 83. | True or False?: 16 - 9 = 7 | |
| 84. | Use the pattern 16-4=? 26-3=?, 36-4=? | |
| 85. | Use the pattern 14-3=? 24-3=?, 34-3=? | |
| 86. | Use the pattern 15-3=? 25-3=?, 35-3=? | |
| 87. | Use the pattern 18-5=? 28-5=?, 38-5=? | |
| 88. | 100 grid: 41 take away 6 | |
| 89. | 100 grid: 53 subtract 8 | |
| 90. | 100 grid: 32 take away 5 | |
| 91. | 100 grid: 84 take away 8 | |
| 92. | 100 grid: 46 take away 9 | |
| 93. | 100 grid: 77 take away 9 | |
| 94. | Subtract from 30: 30 - 20, 7 & 12 | |
| 95. | Subtract from 30: 30 - 15, 10 & 6 | |
| 96. | Subtract from 30: 30 - 11, 5 & 21 | |
| 97. | Subtract from 30: 30 - 8, 30 & 14 | |
| 98. | Subtract from 30: 30 - 17, 30 & 5 | |
| 99. | The 9 family: Take 9, 19 & 29 from 44 | |
| 100. | The 9 family: Take 9, 19 & 29 from 36 | |
| 101. | Subtract 8 from 17, 13 & 11 | |
| 102. | Subtract 6 from 13, 15 & 11 | |
| 103. | Subtract 7 from 24, 22 & 25 | |
| 104. | Subtract 5 from 21, 20 & 24 | |
| 105. | Subtract 9 from 12, 15 & 17 | |
| 106. | Spot the difference between 30 and 15. | |
| 107. | Spot the difference between 12 and 25. | |
| 108. | Spot the difference between 30 and 10. | |
| 109. | Spot the difference between 40 and 10. | |
| 110. | Count Down: 7 less than 52 | |
| 111. | Count Down: 6 less than 43 | |
| 112. | Count Down: 8 less than 47 | |
| 113. | Bargain Basement: $20 - $8 | |
| 114. | Spot the difference: 20 & 14, 17 & 9, 80 & 73 | |
| 115. | The Chicken Story: forty + thirty | |
| 116. | The Chicken Story: sixty + thirty | |
| 117. | The Chicken Story: seventy-nine - seventy-three | |
| 118. | The Chicken Story: fifty + twenty | |
| 119. | Kenny at the shop: $1 - 60c | |
| 120. | Felicity at the shop: $1 - 45c | |
| 121. | Jessie at the shop: $1 - 25c |