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 |