ACMNA030
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
1. | 10 less, 10 more than 30 | |
2. | 10 less, 10 more than 40 | |
3. | 10 less, 10 more than 50 | |
4. | 10 less, 10 more than 60 | |
5. | 2 less, 2 more than 38 | |
6. | 2 less, 2 more than 21 | |
7. | 2 less, 2 more than 47 | |
8. | 2 less, 2 more than 63 | |
9. | 2 less, 2 more than 74 | |
10. | 1 less, 1 more than 37 | |
11. | 1 less, 1 more than 45 | |
12. | 2 less, 2 more than 30 | |
13. | 5 less, 5 more than 80 | |
14. | 5 less, 5 more than 30 | |
15. | 10 less, 10 more than 38 | |
16. | 10 less, 10 more than 24 | |
17. | 1 less, 1 more than 600 | |
18. | 10 less, 10 more than 490 | |
19. | 100 less, 100 more than 873 | |
20. | Which number is 10 more than 989? | |
21. | Which number is 10 less than 724? | |
22. | Which number is 100 more than 456? | |
23. | Which number is 100 less than 388? | |
24. | 10 less, 10 more than 150 | |
25. | 10 less, 10 more than 183 | |
26. | 10 less, 10 more than 418 | |
27. | 10 less, 10 more than 106 | |
28. | 10 less, 10 more than 204 | |
29. | 100 less, 100 more than 403 | |
30. | 10 less, 10 more than 150 | |
31. | 10 less, 10 more than 290 | |
32. | 10 less, 10 more than 500 | |
33. | 10 less, 10 more than 620 | |
34. | 10 less, 10 more than 880 | |
35. | Changing Numbers: 100 to 200 | |
36. | Changing Numbers: 265 to 255 | |
37. | 10 less, 10 more than 508 | |
38. | 10 less, 10 more than 300 | |
39. | 100 less, 100 more than 475 | |
40. | 10 less, 100 more than500 | |
41. | 100 less, 10 more than 358 | |
42. | 100 less, 100 more than 458 | |
43. | 100 less, 100 more than 765 | |
44. | 100 less, 100 more than 342 | |
45. | 100 less, 100 more than 897 | |
46. | 100 less, 100 more than 453 | |
47. | 100 less, 100 more than 213 | |
48. | Number Detectives ? + 3 = 6 | |
49. | True or False? 2+8 = 8+2 | |
50. | Back to School: 5c + 15c + 7 c | |
51. | Add these 3 numbers: 8 + 3 + 2 | |
52. | Add these 3 numbers: 9 + 1 + 6 | |
53. | Add these 3 numbers: 4 + 4 + 3 | |
54. | Add these 3 numbers: 14 + 5 + 2 | |
55. | Add these 3 numbers: 11 + 4 + 5 | |
56. | Add these 3 numbers: 13 + 7 + 6 | |
57. | Add Board: 21 + 6 | |
58. | Add Board: 13 + 12 | |
59. | Add Board: 20 + 20 | |
60. | Add Board: 12 + 7 | |
61. | Add Board: 13 + 6 | |
62. | Who's going to Waterworld? 5+4+3+2 | |
63. | Number Detectives: 10 + ? = 34 | |
64. | True or False?: 21 + 4 = 25 | |
65. | True or False?: 23 + 2 = 27 | |
66. | True or False?: 26 + 3 = 29 | |
67. | True or False?: 24 + 4 = 25 | |
68. | True or False?: 22 + 6 = 28 | |
69. | Same or different? Click all boxes with answer 18 | |
70. | Same or Different? Click all boxes with answer 20 | |
71. | Same or Different? Click all boxes with answer 16 | |
72. | Adding tens: 42 + 10 = ? | |
73. | Adding tens: 38 + 20 = ? | |
74. | Adding tens: 56 + 30 = ? | |
75. | Number detectives: Mysteries of 15 | |
76. | Number detectives: Mysteries of 16 | |
77. | Number detectives: Mysteries of 13 | |
78. | Number detectives: Mysteries of 17 | |
79. | Number detectives: Mysteries of 14 | |
80. | Now Add This! 34+11, 34+12 | |
81. | Now Add This! 19+20, 19+24 | |
82. | Now Add This! 26+21, 26+31 | |
83. | Now Add This! 52+20, 52+17 | |
84. | Now Add This! 33+19, 33+21 | |
85. | Addition Chains | |
86. | Addition Chains | |
87. | Addition Chains | |
88. | Addition Chains | |
89. | Addition Chains | |
90. | Add three numbers: 7 + 9 + 3 | |
91. | Add three numbers: 4 + 8 + 7 | |
92. | Add three numbers: 6 + 7 + 9 | |
93. | Add three numbers: 14 + 7 + 3 | |
94. | Add three numbers: 10 + 12 + 8 | |
95. | Add three numbers: 13 + 9 + 7 | |
96. | Add three numbers: 20 + 10 + 20 | |
97. | 40s zone: Add on 5 to 36. | |
98. | 40s zone: 4 more than 38 | |
99. | 40s zone: 37 plus 5 | |
100. | 40s zone: 4 more than 39 | |
101. | 40s zone: Add on 3 to 38 | |
102. | 50s zone: Add on 5 to 47. | |
103. | 50s zone: 49 plus 3 | |
104. | 50s zone: 48 plus 5 | |
105. | 50s zone: 4 more than 47 | |
106. | 50s zone: 5 more than 46 | |
107. | Bob's and Kai-ling's teams $16 + $7 = $? | |
108. | True or False?: 18 + 2 = 20 | |
109. | True or False?: 9 + 8 = 10 | |
110. | True or False?: 42 + 7 = 49 | |
111. | True or False?: 53 + 2 = 60 | |
112. | True or False?: 7 + 8 = 15 | |
113. | Same or Different: Click all the boxes with the answer 25. | |
114. | Same or Different: Click all the boxes with the answer 37. | |
115. | Same or Different: Click all the boxes with the answer 34. | |
116. | Same or Different: Click all the boxes with the answer 26. | |
117. | Same or Different: Click all the boxes with the answer 28. | |
118. | 100 grid: Start at 73. Add 7. | |
119. | 100 grid: Start at 45. Add 8. | |
120. | 100 grid: Start at 26. Add 5. | |
121. | 100 grid: Start at 68. Add 4. | |
122. | 100 grid: Start at 52. Add 7. | |
123. | On the board 13 + 15 = ? | |
124. | On the board 12 + 13 = ? | |
125. | On the board 14 + 12 = ? | |
126. | On the board 18 + 11 = ? | |
127. | On the board 15 + 14 = ? | |
128. | N/D Mysteries of 20! 17+, 11+, 15+ | |
129. | N/D Mysteries of 20! 7+, 10+, 8+ | |
130. | N/D Mysteries of 20! 6+, 9+, 3+ | |
131. | N/D Mysteries of 20! 20+, 5+, 2+ | |
132. | Anyone for a burger?: $5 + $6 + $2 | |
133. | Use the Pattern: 4 + 9, + 10, + 11 | |
134. | Use the Pattern: 5 + 9, + 10, + 11 | |
135. | Use the Pattern: 6 + 9, + 10, + 11 | |
136. | Use the Pattern: 7 + 9, + 10, + 11 | |
137. | Use the Pattern: 8 + 9, + 10, + 11 | |
138. | Three Up!: Add 3 to 60, 20, 50 | |
139. | Two Up!!: Add 2 to 23, 15, 37 | |
140. | Two Up!!: Add 2 to 29, 80, 12 | |
141. | Two Up!!: Add 2 to 14, 24, 44 | |
142. | One Up!: Add 1 to 65, 19, 42 | |
143. | Number Detectives: ? + 7 = 30 | |
144. | Number Detectives: ? + 24 = 30 | |
145. | True or False?: 17 + 4 = 20 | |
146. | True or False?: 8 + 8 = 16 | |
147. | True or False?: 9 + 8 = 16 | |
148. | True or False?: 15 + 5 = 20 | |
149. | True or False?: 5 + 6 = 12 | |
150. | True or False?: 16 + 3 = 18 | |
151. | True or False?: 7 + 9 = 16 | |
152. | True or False?: 13 + 1 = 1 + 13 | |
153. | True or False?: 16 + 4 = 20 | |
154. | True or False?: 9 + 7 = 17 | |
155. | Number Detectives: 10 + 20 = ? | |
156. | Number Detectives: 24 + 6 = ? | |
157. | Number Detectives: 5 + 25 = ? | |
158. | Number Detectives: 22 + ? = 30 | |
159. | Number Detectives: 21 + ? = 30 | |
160. | Make 36: 20 + 14 + ? | |
161. | Make 39: 30 + 6 + ? | |
162. | Make 37: 12 + 20 + 5 | |
163. | Beyond 20: What is 6 more than 29? | |
164. | Beyond 50: What is 4 more than 57? | |
165. | Beyond 70: What is 8 more than 78? | |
166. | Beyond 30: What is 4 more than 38? | |
167. | Beyond 60: What is 5 more than 68? | |
168. | Number detectives: 30+?, 50+?, 60+? =100 | |
169. | Add on tens: Add 10, 20 to 35 | |
170. | Add on tens: Add 10, 20 to 16. | |
171. | Add on tens: Add 10, 20 to 36 | |
172. | Thinking in tens: Add 10, 19 to 19 | |
173. | Thinking in tens: Add 10, 11 to 14 | |
174. | Addition Chains: 10 + 4 + 6 + 2, 11 + 2 + 3 + 4 | |
175. | Addition Chains: 4 + 5 + 5 + 2, 10 + 5 + 5 + 10 | |
176. | Addition Chains: 2 + 4 + 3 + 10, 12 + 1 + 2 + 7 | |
177. | Addition Chains: 4 + 5 + 6 + 8, 11 + 4 + 3+ 7 | |
178. | Addition Chains: 3 + 2 + 4 + 2, 7 + 2 + 3 + 4 | |
179. | Addition Chains: 3 + 2 + 4 + 8, 4 + 3 + 7 + 4 | |
180. | Add three numbers: 2 + 13 + 9 | |
181. | Add three numbers: 15 + 7 + 8 | |
182. | Add three numbers: 14 + 12 + 8 | |
183. | Add three numbers: 17 + 7 + 12 | |
184. | Add three numbers: 11 + 14 + 5 | |
185. | Number detectives: ? + 9 = 49 | |
186. | Number detectives: ? + 11 = 53 | |
187. | Crossing 100: 4 more than 99 | |
188. | Crossing 100: 7 more than 97 | |
189. | Crossing 100: 8 more than 98 | |
190. | Crossing 100: 9 more than 92 | |
191. | Crossing 100: 5 more than 97 | |
192. | True or False: 7+8=12 | |
193. | True or False: 17+2=20 | |
194. | True or False: 10+9=19 | |
195. | True or False: 22+4=23 | |
196. | True or False: 9+6=15 | |
197. | True or False: 12+14=26 | |
198. | True or False: 12+12=24 | |
199. | True or False: 13+14=28 | |
200. | True or False: 15+12=27 | |
201. | True or False: 16+11=25 | |
202. | Number detectives: 22+9 = ? | |
203. | Number detectives: 51+11 = ? | |
204. | Number detectives: 35+? = 46 | |
205. | Same or Different: Click all the boxes with the answer 50. | |
206. | Same or Different: Click all the boxes with the answer 46. | |
207. | Same or Different: Click all the boxes with the answer 32. | |
208. | Same or Different: Click all the boxes with the answer 45. | |
209. | Same or Different: Click all the boxes with the answer 38. | |
210. | Add Board: 24 + 15 = ? | |
211. | Add Board: 25 + 13 = ? | |
212. | Make 50: 39+7+? = 50 | |
213. | Make 50: 39+5+? = 50 | |
214. | Make 50: 35+5+? = 50 | |
215. | Make 50: 38+10+? = 50 | |
216. | Make 50: 42+6+? = 50 | |
217. | Beyond 40: 6 more than 45 | |
218. | Beyond 70: 5 more than 79 | |
219. | Beyond 60: 8 more than 68 | |
220. | Beyond 50: 7 more than 58 | |
221. | Beyond 70: 9 more than 72 | |
222. | N/D Mysteries of 40! 34+? 30+? 38+?=40 | |
223. | N/D Mysteries of 40! 31+? 36+? 30+?=40 | |
224. | N/D Mysteries of 40! 33+? 37+? 32+?=40 | |
225. | N/D Mysteries of 40! 32+? 39+? 34+?=40 | |
226. | N/D Mysteries of 40! 31+? 35+? 37+?=40 | |
227. | Isabelle's Fruit Salad: 45c + 40c | |
228. | Laura's Fruit Salad: 20c + 40c | |
229. | Connor's Fruit Salad: 20c + 45c | |
230. | 36 + 12 = 48 So what else is true? | |
231. | Add board 5* + 46 = *8 | |
232. | Add board 35 + *3 = 7* | |
233. | The 1 Family - Add 1, add 11 to 35 | |
234. | The 1 Family - Add 1, add 11 to 27 | |
235. | The 1 Family - Add 1, add 11 to 49 | |
236. | The 1 Family - Add 1, add 11 to 57 | |
237. | The 1 Family - Add 1, add 11 to 83 | |
238. | Same or different:19-12,2+5,3+4,33-26,16-8 | |
239. | Subtraction chain 9 - 1 = 8, 8 - 2 = ? | |
240. | Subtraction chain 8 - 3 = 5, 5 - 2 = ? | |
241. | Subtraction chain 6 - 2 = 4, 4 - 2 = ? | |
242. | Subtraction chain 7 - 3 = 4, 4 - 1 = ? | |
243. | Subtraction chain 9 - 2 = 7, 7 - 3 = ? | |
244. | Number detectives: ? - 5 = 10 | |
245. | Number detectives: ? - 6 = 3 | |
246. | Number detectives: ? - 7 = 2 | |
247. | Number detectives: ? - 7 = 6 | |
248. | Number detectives: ? - 8 = 4 | |
249. | True or False? 10-5=20-5 | |
250. | Number detectives: 14 - 6 = ? | |
251. | Number detectives: 15 - 9 = ? | |
252. | Number detectives: 11 - 8 = ? | |
253. | Number detectives: 13 - 5 = ? | |
254. | Number detectives: 15 - 13 = ? | |
255. | Number detectives: 14 - ? = 4 | |
256. | Number detectives: 11 - ? = 5 | |
257. | Number detectives: 10 - ? = 8 | |
258. | Number detectives: 13 - ? = 5 | |
259. | Number detectives: 14 - ? = 7 | |
260. | Card games: Which is lower, 4 + 2 or 6 + 1? | |
261. | Card games: Which is lower, 7 + 3 or 5 + 4? | |
262. | Card games: Which is lower, 6 + 4 or 2 + 3? | |
263. | Card games: Which is lower, 4 + 3 or 1 + 9? | |
264. | Card games: Which is higher, 4 + 5 or 5 + 1? | |
265. | Word Wise: Subtract 14 from 20 | |
266. | Word Wise: 20 take away 11 | |
267. | Word Wise: 14 take away 6 | |
268. | Word Wise: 11 less than 19 | |
269. | Word Wise: 13 less than 20 | |
270. | Word Wise: 11 less than 16 | |
271. | Take 10: ? - 10 = 60 | |
272. | Takeaway board: 17-?=11 | |
273. | Takeaway board: 15-?=11 | |
274. | Takeaway board: 18-? = 12 | |
275. | Takeaway board: 16-? = 13 | |
276. | Takeaway board: 19-? = 14 | |
277. | 12 + 7 = 19 - so what else is true? | |
278. | True or False?: 29 - 7 = 23 | |
279. | True or False?: 28 - 5 = 21 | |
280. | True or False?: 24 - 2 = 20 | |
281. | True or False?: 12 - 6 = 6 | |
282. | True or False?: 9 - 4 = 5 | |
283. | True or False?: 17 - 2 = 15 | |
284. | True or False?: 15 - 3 = 10 | |
285. | True or False?: 8 - 5 = 2 | |
286. | True or False?: 27 - 4 = 23 | |
287. | True or False?: 25 - 5 = 20 | |
288. | Subtraction Chain - 27-20-13 | |
289. | Subtraction Chain - 21-4 =?-1= 16 | |
290. | Subtraction Chain - 29-8=21-3=? | |
291. | Subtraction Chain - ?-4=21-2=19 | |
292. | Subtraction Chain - 26-5=21-4=? | |
293. | Subtraction Chain - 27-4=?-6=17 | |
294. | Subtraction Chain - 28-7=21-5=? | |
295. | Use the pattern: 10, 20 & 80 - 5 = ? | |
296. | Use the pattern: 10, 20 & 40 - 3 = ? | |
297. | Use the pattern: 10, 20 & 90 - 7 = ? | |
298. | Use the pattern: 10, 20 & 50 - 4 = ? | |
299. | Use the pattern: 10, 20 & 30 - 8 = ? | |
300. | Taking ten: 46-10 | |
301. | Taking ten: 72-10 | |
302. | Taking ten: 39-10 | |
303. | Taking ten: 55-10 | |
304. | Taking ten: 81-10 | |
305. | Subtract from 100: 100 - 30, 40 & 20 | |
306. | Subtract from 100: 100 - 20, 30 & 70 | |
307. | Subtract from 100: 100 - 70, 20 & 40 | |
308. | Subtract from 100: 100 - 40, 90 & 50 | |
309. | Subtract from 100: 100 - 60, 20 & 100 | |
310. | Subtract 8 (from 16, 15, 12) | |
311. | Subtract 6 (from 12, 11, 13) | |
312. | Subtract 5 (from 14, 11, 8) | |
313. | Subtract 7 (from 14, 16, 11) | |
314. | Mysteries of Fifty: 50-?=42, 50-?=45 | |
315. | Mysteries of Fifty: 50-?=48, 50-?=43 | |
316. | Mysteries of Fifty: 50-?=44, 50-?=47 | |
317. | Mysteries of Forty: 40-?=36, 40-?=31 | |
318. | Mysteries of Forty: 40-?=33, 40-?=39 | |
319. | Mysteries of Forty: 40-?=35, 40-?=38 | |
320. | Mysteries of Thirty: 30-?=29, 30-?=24 | |
321. | Mysteries of Thirty: 30-?=21, 30-?=27 | |
322. | Mysteries of Thirty: 30-?=26, 30-?=22 | |
323. | True or False?: 16 - 8 = 8 | |
324. | True or False?: 23 - 5 = 18 | |
325. | True or False?: 21 - 16 = 4 | |
326. | True or False?: 18 - 9 = 8 | |
327. | True or False?: 19 - 6 = 12 | |
328. | True or False?: 24 - 15 = 8 | |
329. | True or False?: 16 - 9 = 7 | |
330. | True or False?: 22 - 10 = 11 | |
331. | True or False?: 19 - 13 = 6 | |
332. | True or False?: 26 - 13 = 13 | |
333. | Use the pattern 16-4=? 26-3=?, 36-4=? | |
334. | Use the pattern 14-3=? 24-3=?, 34-3=? | |
335. | Use the pattern 15-3=? 25-3=?, 35-3=? | |
336. | Use the pattern 18-5=? 28-5=?, 38-5=? | |
337. | Use the pattern 16-7=? 26-7=?, 36-7=? | |
338. | Use the pattern 13-6=? 23-6=?, 33-6=? | |
339. | Use the pattern 11-5=? 21-5=?, 31-5=? | |
340. | Use the pattern 12-9=? 22-9=?, 32-9=? | |
341. | Use the pattern 19-4=? 29-4=?, 39-4=? | |
342. | Use the pattern 17-8=? 27-8=?, 37-8=? | |
343. | 100 grid: 41 take away 6 | |
344. | 100 grid: 53 subtract 8 | |
345. | 100 grid: 32 take away 5 | |
346. | 100 grid: 76 take away 7 | |
347. | 100 grid: 54 take away 8 | |
348. | 100 grid: 64 take away 9 | |
349. | 100 grid: 84 take away 8 | |
350. | 100 grid: 46 take away 9 | |
351. | 100 grid: 23 take away 7 | |
352. | 100 grid: 71 take away 8 | |
353. | 100 grid: 34 take away 6 | |
354. | 100 grid: 77 take away 9 | |
355. | Subtract from 30: 30 - 20, 7 & 12 | |
356. | Subtract from 30: 30 - 15, 10 & 6 | |
357. | Subtract from 30: 30 - 11, 5 & 21 | |
358. | Subtract from 30: 30 - 8, 30 & 14 | |
359. | Subtract from 30: 30 - 17, 30 & 5 | |
360. | The 9 family: Take 9, 19 & 29 from 57 | |
361. | The 9 family: Take 9, 19 & 29 from 65 | |
362. | The 9 family: Take 9, 19 & 29 from 72 | |
363. | The 9 family: Take 9, 19 & 29 from 44 | |
364. | The 9 family: Take 9, 19 & 29 from 36 | |
365. | Subtract 8 from 17, 13 & 11 | |
366. | Subtract 6 from 13, 15 & 11 | |
367. | Subtract 7 from 24, 22 & 25 | |
368. | Subtract 5 from 21, 20 & 24 | |
369. | Subtract 9 from 12, 15 & 17 | |
370. | Write the missing number: 20 + 3 + ? = 30 | |
371. | Write the missing number: 12 + ? + 10 = 30 | |
372. | Write the missing number: 15 + ? + 5 = 30 | |
373. | Write the missing number: 9 + ? + 12 = 30 | |
374. | Write the missing number: ? + 5 + 4 = 30 | |
375. | Write the missing number: 15 + ? + 6 = 30 | |
376. | Write the missing number: 20 + 3 + ? = 30 | |
377. | Number detectives: ? + 23 = 30 | |
378. | Number detectives: ? + 18 = 30 | |
379. | True or False?: 30 - 8 = 22 | |
380. | True or False?: 30 - 25 = 20 | |
381. | True or False?: 30 - 10 = 20 | |
382. | True or False?: 30 - 10 = 15 | |
383. | True or False?: 30 - 7 = 23 | |
384. | Number detectives: 30 - 14 = ? | |
385. | Number detectives: 30 - ? = 15 | |
386. | Number detectives: 30 - ? = 13 | |
387. | Count Down: 6 less than 41 | |
388. | Count Down: 7 less than 52 | |
389. | Count Down: 3 less than 42 | |
390. | Count Down: 6 less than 43 | |
391. | Count Down: 8 less than 47 | |
392. | Taking Tens: 98 - 50 | |
393. | Taking Tens: 32 - 20 | |
394. | Taking Tens: 59 - 40 | |
395. | Taking Tens: 87 - 20 | |
396. | Taking Tens: 72 - 40 | |
397. | Subtract.chains 48 - 7 - 2 - 9, 35 - 4 - 3 - 8 | |
398. | Subtract.chains 47 - 4 - 3 - 7, 28 - 8 - 2 - 5 | |
399. | Subtract.chains 23 - 4 - 1 - 3, 36 - 5 - 2 - 6 | |
400. | Subtract.chains 28 - 5 - 2 - 10, 50 - 5 - 3 - 2 | |
401. | Count down 52-4=? | |
402. | Count down 43-6=? | |
403. | Count down 61-5=? | |
404. | Count down 36-8=? | |
405. | Count down 72-7=? | |
406. | Count down 94-9=? | |
407. | Subtraction chains 80-6-5-3, 70-4-2-5 | |
408. | Subtraction chains 30-9-2-5, 60-5-4-3 | |
409. | Subtraction chains 40-5-6-3, 50-9-2-8 | |
410. | Subtraction chains 90-3-5-3, 40-2-8-5 | |
411. | Subtraction chains 60-9-2-3, 50-3-6-10 | |
412. | Subtracting tens 55 - 20 = ? | |
413. | Subtracting tens 48 - 20 = ? | |
414. | Subtracting tens 72 - 30 = ? | |
415. | Subtracting tens 87 - 60 = ? | |
416. | Subtracting tens 91 - 60 = ? | |
417. | Jean kicks the ball: 3 + 3 + 3 = ? | |
418. | Sum money: 4x10c + 1x20c | |
419. | Build A Total - number sequence, 24 | |
420. | What Comes Next? - 10 less than 12 | |
421. | Enid the Elephant's Equations - equivalent to 8 + 4 | |
422. | Enid the Elephant's Equations - equivalent to 6 + 5 | |
423. | Enid the Elephant's Equations - equivalent to 7 + 7 | |
424. | Number Quest - find 1 number to complete 2 number sentences | |
425. | Sign Scramble - complete 2 number sentences using given numbers | |
426. | Build a Total - number sequence, 15 | |
427. | Number Quest - find 1 number to complete 2 number sentences | |
428. | Number Quest - find 1 number to complete 2 number sentences | |
429. | A Tall Order - 5 more | |
430. | Who's going to Waterworld? 2+4+3+8 | |
431. | Who's going to Waterworld? 4+4+2+5 | |
432. | Who's going to Waterworld? 2+3+3+10 | |
433. | Who's going to Waterworld? 7+3+2+3 | |
434. | Who's going to Waterworld? 5+4+5+3 | |
435. | The Chicken Story: forty + thirty | |
436. | Card games: Which is higher, 5 + 4 or 3 + 7? | |
437. | Card games: Which is higher, 3 + 5 or 4 + 8? | |
438. | Card games: Which is higher, 5 + 9 or 6 + 4? | |
439. | Card games: Which is higher, 4 + 6 or 9 + 3? | |
440. | Card games: Which is lower, 9 + 3 or 6 + 7? | |
441. | Card games: Which is lower, 2 + 6 or 4 + 2? | |
442. | Chicken multiplication: 3 + 3 + 3 = ? | |
443. | The 20s Zone: Take 6 from 24 | |
444. | The 20s Zone: Take 8 from 24 | |
445. | The 20s Zone: Take 6 from 25 | |
446. | The 20s Zone: Take 4 from 21 | |
447. | The 20s Zone: Take 8 from 25 | |
448. | The 20s Zone: Take 9 from 23 | |
449. | The 20s Zone: Take 7 from 23 | |
450. | The 20s Zone: Take 8 from 26 | |
451. | The 20s Zone: Take 7 from 22 | |
452. | The 20s Zone: Take 8 from 27 | |
453. | The Chicken Story: sixty + thirty | |
454. | The Chicken Story: seventy-nine - seventy-three | |
455. | The Chicken Story: fifty + twenty | |
456. | Make 50: 32+8+? = 50 |