Step 3

Difficulty 3

1. 20s Zone - 4 more than 22
2. 20s Zone - 4 more than 21
3. 20s Zone - 3 more than 24
4. True or False: 3+4=7
5. True or False: 2+4=0
6. True or False: 3+1=1
7. True or False: 2+5=3
8. True or False: 1+0=1
9. Add these three numbers: 4+2+3
10. True or False? 3+4 = 7
11. True or False? 8+1 = 10
12. True or False? 7+2 = 9
13. True or False? 6+2 = 8
14. True or False? 2+1 = 4
15. True or False? 6+1 = 5
16. True or False? 5+4 = 8
17. True or False? 5+4 = 9
18. Number Detectives: 9 + 5 = ?
19. 20s Zone: 16 + 4 = ?, 16 + 6 = ?
20. 20s Zone: 18 + 2 = ?, 18 + 5 = ?
21. Add these 3 numbers: 5+5+1
22. Add these 3 numbers: 6+4+5
23. Number Detectives: ?+5 = 15
24. Addition Chain: 5 + 3 = ? + 3 = ?
25. Addition Chain: 6 + 4 = ? + 5 = ?
26. Addition Chain: 2 + 4 = ? + 5 = ?
27. Addition Chain: 3 + 9 = ? + 1 = ?
28. Addition Chain: 4 + 3 = ? + 5 = ?
29. Use the Pattern: 4+0, +10, +20
30. Use the Pattern: 5+0, +10, +20
31. Use the Pattern: 7+0, +10, +20
32. Use the Pattern: 6+0, +10, +20
33. Use the Pattern: 3+0, +10, +20
34. Use the Pattern: 9+0, +10, +20
35. Going Shopping - $10 + $3
36. 11 + 6 = 17: So what else is true?
37. Kaitlynn wraps presents: 1+2+4 metres
38. Jessica kicks the ball: 7+5+6 metres
39. Numbers Break-Up! 29 = 20 + ?
40. Numbers Break-Up! 26 = 20 + ?
41. Numbers Break-Up! 38 = ? + 8
42. Numbers Break-Up! 44 = ? + 4
43. Numbers Break-Up! 51 = 50 + ?
44. Numbers Break-Up! 37 = ? + 7
45. Changing Numbers: 17 to 21
46. Changing Numbers: 10 to 21
47. Changing Numbers: 18 to 21
48. True or False?: 10+7=17, 15+2=17, 17=10+7, 17+0=17
49. Bring More Blocks: 2 tens, 6 ones
50. Bring More Blocks: 2 tens, 5 ones
51. Bring More Blocks: 1 ten, 7 ones
52. Bring More Blocks: 1 ten, 8 ones
53. Bring More Blocks: 2 tens, 9 ones
54. Changing Numbers: 27 to 31
55. Changing Numbers: 24 to 28
56. Changing Numbers: 29 to 39
57. Changing Numbers: 30 to 50
58. Changing Numbers: 48 to 50
59. 30s Zone: 4 more than 28
60. 30s Zone: 7 more than 25
61. 30s Zone: 5 more than 29
62. 30s Zone: 9 more than 29
63. True or False?: 6 + 12 = 19
64. True or False?: 9 + 9 = 18
65. True or False?: 9 + 11 = 20
66. True or False?: 10 + 5 = 5 + 10
67. True or False?: 12 + 5 = 17
68. True or False?: 4 + 14 = 10 + 4
69. True or False?: 11 + 4 = 15
70. True or False?: 10 + 9 = 20
71. True or False?: 17 + 2 = 9
72. True or False?: 11 + 5 = 16
73. Number Detectives: 10 + 27 = ?
74. Use the Pattern: 5+4,15+4,25+4
75. Use the Pattern: 6+4,16+4,26+4
76. Use the Pattern: 10+2,20+2,30+2
77. 11+6=17: So what else is true?
78. 100 Grid: Start at 73. Add 10
79. 100 Grid: Start at 35. Add 10
80. 100 Grid: Start at 15. Add 7
81. 100 Grid: Start at 28. Add 8
82. 100 Grid: Start at 14. What is 11 more?
83. 100 grid: 11 more than 33
84. 100 grid: Find 9 more than 27
85. 100 Grid: Start at 56. Add 10
86. 100 Grid: Start at 83. Add 10
87. 100 Grid: Start at 34. Add 10
88. Balloons: Total of 15 and 6
89. The Chicken Story: seventeen + twelve
90. 21+5=26: So what else is true?
91. 15+12=27: So what else is true?
92. Ball skills: How many more to make 10? 7+2+?
93. Ball skills: How many more to make 10? 6+3+?
94. Ball skills: How many more to make 10? 5+3+?
95. Ball skills: How many more to make 10? 7+1+?
96. Ball skills: How many more to make 10? 2+3+?
97. Happy Landings 7 less than 10
98. Happy Landings Take 4 from 9
99. Happy Landings 8 Take away 4
100. True or False? 12-7=6
101. True or False? 13-7=6
102. True or False? 16-9=10
103. True or False? 17-5=11
104. True or False? 15-8=7
105. True or False? 12-6=5
106. True or False? 16-4=12
107. Which number is 10 less than 30?
108. Which number is 10 less than 10?
109. Which number is 10 less than 40?
110. Number detectives 18 -10 = ?
111. Word Wise: Subtract 5 from 19
112. Word Wise: Subtract 4 from 17
113. Word Wise: Subtract 9 from 20
114. Word Wise: 17 take away 6
115. Word Wise: 19 take away 9
116. Which number is 10 less than 80?
117. Which number is 10 less than 60?
118. Which number is 10 less than 90?
119. Which number is 10 less than 100?
120. Which number is 10 less than 70?
121. Changing numbers: 18 to 9
122. Changing numbers: 16 to 12
123. Changing numbers: 12 to 7
124. Changing numbers: 20 to 9
125. Changing numbers: 14 to 9
126. True or False? 20-10=10
127. True or False? 20-10=13
128. True or False? 20-20=0
129. True or False? 20-1=19
130. True or False? 15-5=10
131. True or False? 15-0=15
132. True or False? 15-5=11
133. True or False? 15-9=5
134. True or False? 10-5=15
135. True or False? 10-10=0
136. True or False? 10-1=9
137. True or False? 10-5=5
138. True or False? 12-6=6
139. True or False? 12-5=7
140. True or False? 12-12=0
141. True or False? 12-10=0
142. True or False? 18-9=0
143. True or False? 18-18=0
144. True or False? 18-6=10
145. True or False? 18-8=10
146. The 20s zone: 24 - 4 = ?, 24 - 7 = ?
147. 100 grid: 73-7
148. 100 grid: 23-9
149. 100 grid: 48-9
150. 100 grid: 74-7
151. 100 grid: 82-8
152. 100 grid: 54-6
153. 100 grid: 61-5
154. Take 10: 40 - 10 = ?
155. Subtraction chain 20 - 3 = 17, 17 - 3 = ?
156. Subtraction chain 20 - 6 = 14, 14 - 5 = ?
157. Subtraction chain 20 - 5 = 15, 15 - 2 = ?
158. Subtraction chain 20 - 9 = 11, 11 - 3 = ?
159. Red Blocks 10 - 4
160. Red Blocks 10 - 1
161. Red Blocks 10 - 2
162. The 20s zone: 28 - 8 = ?, 28 - 9 = ?
163. The 20s zone: 23 - 3 = ?, 23 - 4 = ?
164. The 20s zone: 26 - 6 = ?, 26 - 8 = ?
165. The 20s Zone: Add 6 to 18
166. The 20s Zone: Add 5 to 16
167. The 20s Zone: Add 7 to 15
168. Teen Zone: Take 7 from 16
169. Teen Zone: Take 7 from 14
170. Teen Zone: Take 9 from 17
171. The 20s Zone: Add 7 to 17
172. The 20s Zone: Add 6 to 17
173. The 20s Zone: Add 6 to 15
174. The 20s Zone: Add 6 to 19
175. Mary Goes Shopping: $5 + $1
176. Edward Goes Shopping: $4 + $2
177. Emma Goes Shopping: $3 + $2
178. Card Tricks: Red 9 + Black 6
179. Card Tricks: Red 8 + Black 7
180. Clinton Goes Shopping: $2 + $2