Calculating
1. | True or False? 2+8 = 8+2 | |
2. | Number Detectives: 10 + ? = 34 | |
3. | True or False?: 21 + 4 = 25 | |
4. | True or False?: 23 + 2 = 27 | |
5. | True or False?: 26 + 3 = 29 | |
6. | True or False?: 24 + 4 = 25 | |
7. | True or False?: 22 + 6 = 28 | |
8. | Same or different? Click all boxes with answer 18 | |
9. | Same or Different? Click all boxes with answer 20 | |
10. | Same or Different? Click all boxes with answer 16 | |
11. | Add Board: 60 + 23 | |
12. | Add Board: 30 + 70 | |
13. | Add Board: 40 + 60 | |
14. | Add Board: 63 + 20 | |
15. | Adding tens: 26 + ? = 36 | |
16. | Adding tens: 46 + ? = 56 | |
17. | Adding tens: 64 + ? = 94 | |
18. | Adding tens: 42 + 10 = ? | |
19. | Adding tens: 38 + 20 = ? | |
20. | Adding tens: 56 + 30 = ? | |
21. | Number detectives: Mysteries of 15 | |
22. | Number detectives: Mysteries of 16 | |
23. | Number detectives: Mysteries of 13 | |
24. | Number detectives: Mysteries of 17 | |
25. | Number detectives: Mysteries of 14 | |
26. | Addition Chains | |
27. | Addition Chains | |
28. | Addition Chains | |
29. | Addition Chains | |
30. | Addition Chains | |
31. | On the board 13 + 15 = ? | |
32. | On the board 12 + 13 = ? | |
33. | On the board 14 + 12 = ? | |
34. | On the board 18 + 11 = ? | |
35. | On the board 15 + 14 = ? | |
36. | On the board 963 + 5 = ? | |
37. | On the board 242 + 6 = ? | |
38. | On the board 781 + 8 = ? | |
39. | On the board 427 + 2 = ? | |
40. | On the board 113 + 4 = ? | |
41. | Number Detectives: ? + 7 = 30 | |
42. | Number Detectives: ? + 24 = 30 | |
43. | True or False?: 17 + 4 = 20 | |
44. | True or False?: 8 + 8 = 16 | |
45. | True or False?: 9 + 8 = 16 | |
46. | True or False?: 15 + 5 = 20 | |
47. | True or False?: 5 + 6 = 12 | |
48. | True or False?: 16 + 3 = 18 | |
49. | True or False?: 7 + 9 = 16 | |
50. | True or False?: 13 + 1 = 1 + 13 | |
51. | True or False?: 16 + 4 = 20 | |
52. | True or False?: 9 + 7 = 17 | |
53. | Number Detectives: 10 + 20 = ? | |
54. | Number Detectives: 24 + 6 = ? | |
55. | Number Detectives: 5 + 25 = ? | |
56. | Number Detectives: 22 + ? = 30 | |
57. | Number Detectives: 21 + ? = 30 | |
58. | On The Board 135+100 | |
59. | Number detectives: 30+?, 50+?, 60+? =100 | |
60. | Addition Chains: 10 + 4 + 6 + 2, 11 + 2 + 3 + 4 | |
61. | Addition Chains: 4 + 5 + 5 + 2, 10 + 5 + 5 + 10 | |
62. | Addition Chains: 2 + 4 + 3 + 10, 12 + 1 + 2 + 7 | |
63. | Addition Chains: 4 + 5 + 6 + 8, 11 + 4 + 3+ 7 | |
64. | Addition Chains: 3 + 2 + 4 + 2, 7 + 2 + 3 + 4 | |
65. | Addition Chains: 3 + 2 + 4 + 8, 4 + 3 + 7 + 4 | |
66. | Number detectives: ? + 9 = 49 | |
67. | Number detectives: ? + 11 = 53 | |
68. | True or False: 7+8=12 | |
69. | True or False: 17+2=20 | |
70. | True or False: 10+9=19 | |
71. | True or False: 22+4=23 | |
72. | True or False: 9+6=15 | |
73. | True or False: 12+14=26 | |
74. | True or False: 12+12=24 | |
75. | True or False: 13+14=28 | |
76. | True or False: 15+12=27 | |
77. | True or False: 16+11=25 | |
78. | Number detectives: 22+9 = ? | |
79. | Number detectives: 51+11 = ? | |
80. | Number detectives: 35+? = 46 | |
81. | Same or Different: Click all the boxes with the answer 50. | |
82. | Same or Different: Click all the boxes with the answer 46. | |
83. | Same or Different: Click all the boxes with the answer 32. | |
84. | Same or Different: Click all the boxes with the answer 45. | |
85. | Same or Different: Click all the boxes with the answer 38. | |
86. | Add Board: 24 + 15 = ? | |
87. | Add Board: 45 + 34 = ? | |
88. | Add Board: 67 + 12 = ? | |
89. | Add Board: 32 + 65 = ? | |
90. | Add Board: 25 + 13 = ? | |
91. | N/D Mysteries of 40! 34+? 30+? 38+?=40 | |
92. | N/D Mysteries of 40! 31+? 36+? 30+?=40 | |
93. | N/D Mysteries of 40! 33+? 37+? 32+?=40 | |
94. | N/D Mysteries of 40! 32+? 39+? 34+?=40 | |
95. | N/D Mysteries of 40! 31+? 35+? 37+?=40 | |
96. | 100 Zone: 95+7=? 101-?=99 ?+6=103 | |
97. | 100 Zone: 95+6=? 103-?=99 ?+6=104 | |
98. | 100 Zone: 98+7=? 105-?=98 ?+6=105 | |
99. | 100 Zone: 98+6=? 102-?=98 ?+5=103 | |
100. | 100 Zone: 98+3=? 101-?=97 ?+5=102 | |
101. | 36 + 12 = 48 So what else is true? | |
102. | Number detectives *+109 = 113 | |
103. | Number detectives *+4 = 103 | |
104. | Number detectives *+5 = 103 | |
105. | Number detectives 95+*=101 | |
106. | Number detectives 97+*=103 | |
107. | Use The Pattern 3+5 30+50 300+500 | |
108. | Use The Pattern 3+6 30+60 600+300 | |
109. | Use The Pattern 2+4 20+40 200+400 | |
110. | Use The Pattern 3+2 30+20 200+300 | |
111. | Use The Pattern 6+2 60+20 600+200 | |
112. | Add board 5* + 46 = *8 | |
113. | Add board 35 + *3 = 7* | |
114. | Addition Chains 21 + 3 + 6 + 5, 60 + 4 + 3 + 2 | |
115. | Addition Chains 33 + 4 + 10 + 5, 28 + 3 + 9 + 8 | |
116. | Addition Chains 23 + 5 + 4 + 9, 60 + 8 + 3 + 10 | |
117. | Addition Chains 95 + 4 + 2 + 12, 94 + 3 + 3 + 7 | |
118. | Addition Chains 100 + 5 + 5 + 7, 99 + 3 + 6 + 2 | |
119. | Same or different:19-12,2+5,3+4,33-26,16-8 | |
120. | Number detectives: 60+?, 50+?, 75+?=100 | |
121. | Number detectives: ? - 5 = 10 | |
122. | Number detectives: ? - 6 = 3 | |
123. | Number detectives: ? - 7 = 2 | |
124. | Number detectives: ? - 7 = 6 | |
125. | Number detectives: ? - 8 = 4 | |
126. | True or False? 10-5=20-5 | |
127. | Number detectives: 14 - 6 = ? | |
128. | Number detectives: 15 - 9 = ? | |
129. | Number detectives: 11 - 8 = ? | |
130. | Number detectives: 13 - 5 = ? | |
131. | Number detectives: 15 - 13 = ? | |
132. | Takeaway board: 17-?=11 | |
133. | Takeaway board: 15-?=11 | |
134. | Takeaway board: 18-? = 12 | |
135. | Takeaway board: 16-? = 13 | |
136. | Takeaway board: 19-? = 14 | |
137. | Taking tens: 40 - 30 = ? | |
138. | Taking tens: 50 - 20 = ? | |
139. | Taking tens: 80 - 40 = ? | |
140. | Taking tens: 70 - 10 = ? | |
141. | Taking tens: 70 - 40 = ? | |
142. | Taking tens: 40 - 30 = ? | |
143. | 12 + 7 = 19 - so what else is true? | |
144. | True or False?: 12 - 6 = 6 | |
145. | Subtraction Chain - 22-4=?-3=15 | |
146. | Subtraction Chain - ?-8=16-2=14 | |
147. | Subtraction Chain - 21-4 =?-1= 16 | |
148. | Subtraction Chain - 29-8=21-3=? | |
149. | Subtraction Chain - 26-5=21-4=? | |
150. | Subtraction Chain - ?-4=19-3=16 | |
151. | Use the pattern: 10, 20 & 80 - 5 = ? | |
152. | Use the pattern: 10, 20 & 40 - 3 = ? | |
153. | Use the pattern: 10, 20 & 90 - 7 = ? | |
154. | Use the pattern: 10, 20 & 50 - 4 = ? | |
155. | Use the pattern: 10, 20 & 30 - 8 = ? | |
156. | Taking ten: 46-10 | |
157. | Taking ten: 72-10 | |
158. | Taking ten: 39-10 | |
159. | Taking ten: 55-10 | |
160. | Taking ten: 81-10 | |
161. | Mysteries of Fifty: 50-?=42, 50-?=45 | |
162. | Mysteries of Fifty: 50-?=48, 50-?=43 | |
163. | Mysteries of Fifty: 50-?=44, 50-?=47 | |
164. | Mysteries of Forty: 40-?=36, 40-?=31 | |
165. | Mysteries of Forty: 40-?=33, 40-?=39 | |
166. | Mysteries of Forty: 40-?=35, 40-?=38 | |
167. | Mysteries of Thirty: 30-?=29, 30-?=24 | |
168. | Mysteries of Thirty: 30-?=21, 30-?=27 | |
169. | Mysteries of Thirty: 30-?=26, 30-?=22 | |
170. | True or False?: 16 - 8 = 8 | |
171. | True or False?: 23 - 5 = 18 | |
172. | True or False?: 21 - 16 = 4 | |
173. | True or False?: 18 - 9 = 8 | |
174. | True or False?: 19 - 6 = 12 | |
175. | True or False?: 24 - 15 = 8 | |
176. | True or False?: 16 - 9 = 7 | |
177. | True or False?: 22 - 10 = 11 | |
178. | True or False?: 19 - 13 = 6 | |
179. | True or False?: 26 - 13 = 13 | |
180. | Use the pattern 16-4=? 26-3=?, 36-4=? | |
181. | Use the pattern 14-3=? 24-3=?, 34-3=? | |
182. | Use the pattern 15-3=? 25-3=?, 35-3=? | |
183. | Use the pattern 18-5=? 28-5=?, 38-5=? | |
184. | Use the pattern 16-7=? 26-7=?, 36-7=? | |
185. | Use the pattern 13-6=? 23-6=?, 33-6=? | |
186. | Use the pattern 11-5=? 21-5=?, 31-5=? | |
187. | Use the pattern 12-9=? 22-9=?, 32-9=? | |
188. | Use the pattern 19-4=? 29-4=?, 39-4=? | |
189. | Use the pattern 17-8=? 27-8=?, 37-8=? | |
190. | Takeaway board 87-53 | |
191. | Takeaway board 29-15 | |
192. | Takeaway board 45-21 | |
193. | Takeaway board 77-34 | |
194. | Takeaway board 18-12 | |
195. | Subtract 8 from 17, 13 & 11 | |
196. | Subtract 6 from 13, 15 & 11 | |
197. | Subtract 7 from 24, 22 & 25 | |
198. | Subtract 5 from 21, 20 & 24 | |
199. | Subtract 9 from 12, 15 & 17 | |
200. | Number detectives: ? + 23 = 30 | |
201. | Number detectives: ? + 18 = 30 | |
202. | True or False?: 30 - 8 = 22 | |
203. | True or False?: 30 - 25 = 20 | |
204. | True or False?: 30 - 10 = 20 | |
205. | True or False?: 30 - 10 = 15 | |
206. | True or False?: 30 - 7 = 23 | |
207. | Number detectives: 30 - 14 = ? | |
208. | Number detectives: 30 - ? = 15 | |
209. | Number detectives: 30 - ? = 13 | |
210. | Use the pattern: 9-5, 90-50, 900-500 | |
211. | Use the pattern: 8-5, 80-50, 800-500 | |
212. | Use the pattern: 6-2, 60-20, 600-200 | |
213. | Takeaway board: 65-34 | |
214. | Takeaway board: 48-26 | |
215. | Taking Tens: 44 - 20 | |
216. | Taking Tens: 68 - 30 | |
217. | Taking Tens: 98 - 50 | |
218. | Taking Tens: 32 - 20 | |
219. | Taking Tens: 59 - 40 | |
220. | Taking Tens: 87 - 20 | |
221. | Taking Tens: 72 - 40 | |
222. | Subtract.chains 48 - 7 - 2 - 9, 35 - 4 - 3 - 8 | |
223. | Subtract.chains 47 - 4 - 3 - 7, 28 - 8 - 2 - 5 | |
224. | Subtract.chains 23 - 4 - 1 - 3, 36 - 5 - 2 - 6 | |
225. | Subtract.chains 32 - 4 - 7 - 4, 45 - 2 - 10 - 5 | |
226. | Subtract.chains 28 - 5 - 2 - 10, 50 - 5 - 3 - 2 | |
227. | Number Detectives: ? - 15 = 10 | |
228. | Number Detectives: ? - 9 = 21 | |
229. | Number Detectives: 30 - 17 = ? | |
230. | Number Detectives: 30 - 14 = ? | |
231. | Number Detectives: 30 - ? = 12 | |
232. | Number Detectives: 40 - ? = 29 | |
233. | Take Ten 42 - 10 | |
234. | Subtraction chains 80-6-5-3, 70-4-2-5 | |
235. | Subtraction chains 30-9-2-5, 60-5-4-3 | |
236. | Subtraction chains 40-5-6-3, 50-9-2-8 | |
237. | Subtraction chains 90-3-5-3, 40-2-8-5 | |
238. | Subtraction chains 60-9-2-3, 50-3-6-10 | |
239. | Subtracting tens: 88 - ? = 48 | |
240. | Subtracting tens: 57 - ? = 27 | |
241. | Subtracting tens: 44 - ? = 24 | |
242. | Subtracting tens 55 - 20 = ? | |
243. | Subtracting tens 48 - 20 = ? | |
244. | Subtracting tens 72 - 30 = ? | |
245. | Subtracting tens 87 - 60 = ? | |
246. | Subtracting tens 91 - 60 = ? | |
247. | The Mysteries of 40!: 40-?=31, 40-?=33, 40-?=30 | |
248. | The Mysteries of 40!: 40-?=51, 40-?=38, 40-?=32 | |
249. | The Mysteries of 40!: 40-?=29, 40-?=31, 40-?=33 | |
250. | The Mysteries of 40!: 40-?=28, 40-?=32, 40-?=18 | |
251. | Tropical fruit feast 2x3 | |
252. | Tropical fruit feast 2x2 | |
253. | Tropical fruit feast 4x2 | |
254. | Tropical fruit feast: 4 x $5 | |
255. | Word Wise! 3 groups of 3 | |
256. | Word Wise! 3 groups of 5 | |
257. | Word Wise! 2 groups of 6 | |
258. | Word Wise! 4 groups of 4 | |
259. | Double up: 2 x 3 | |
260. | Double up: 2 x 5 | |
261. | Double up: 2 x 6 | |
262. | Double up: 2 x 4 | |
263. | Double up: 2 x 7 | |
264. | Double up: Double 2 | |
265. | Double up: Double 8 | |
266. | Double up: Double 10 | |
267. | Double up: Double 6 | |
268. | Double up: Double 4 | |
269. | One potato, two potato....: 1 kilogram = $2 so 5 kgs = $? | |
270. | Times change: Click all statements correctly describing the array | |
271. | Times change: Click all statements correctly describing the array | |
272. | Times change: Click all statements correctly describing the array | |
273. | Times change: Click all statements correctly describing the array | |
274. | Times change: Click all statements correctly describing the array | |
275. | Tropical fruit feast: 4x$3 | |
276. | Tropical fruit feast: 10x$5 | |
277. | Double up: Double 15, 150 | |
278. | Double up: Double 35, 350 | |
279. | Double up: Double 16, 160 | |
280. | Double Up: Double 25, 250 | |
281. | Double Up: Double 9, 900 | |
282. | Tropical Fruit Feast - $4 = 2x? | |
283. | Tropical Fruit Feast - $3 = 3x? | |
284. | Tropical Fruit Feast - $9 = 3x? | |
285. | Tropical Fruit Feast - $10 = 5x? | |
286. | Tropical Fruit Feast - $8 = 4x? | |
287. | Build A Total - number sequence, 24 | |
288. | Enid the Elephant's Equations - equivalent to 8 + 4 | |
289. | Enid the Elephant's Equations - equivalent to 6 + 5 | |
290. | Enid the Elephant's Equations - equivalent to 7 + 7 | |
291. | Number Quest - find 1 number to complete 2 number sentences | |
292. | Sign Scramble - complete 2 number sentences using given numbers | |
293. | Number Quest - complete number sentence | |
294. | Build a Total - number sequence, 15 | |
295. | Number Quest - find 1 number to complete 2 number sentences | |
296. | Number Quest - find 1 number to complete 2 number sentences | |
297. | Tropical fruit feast: 2 x $4 | |
298. | Tropical fruit feast: 2 x $2 |