Calculating
1. | Mystery number: ?+6=512 | |
2. | Mystery number: 157+?=163 | |
3. | Mystery number: 133+?=146 | |
4. | Mystery number: 212+?=224 | |
5. | Mystery number: 106+?=118 | |
6. | Mystery number: 106+?=118 | |
7. | On the Board: *24 + 92= 6** | |
8. | On the Board: **1 + 38= 30* | |
9. | On the Board: *4*+*6=569 | |
10. | On the Board: 81*+*6=*09 | |
11. | On the Board: 7**+102=*97 | |
12. | On the Board: 53*+*2=*29 | |
13. | On the Board: 6*+*2=100 | |
14. | On the Board: *6+2*=100 | |
15. | On the Board: 4*+*7=100 | |
16. | Adding Tens: 142+?=182 | |
17. | Adding Tens: 30+?=574 | |
18. | 100 zone: 796+7,794+8,799+6 | |
19. | 100 zone: 593+7,594+8,596+5 | |
20. | 100 zone: 693+9,695+8,697+7 | |
21. | 100 zone: 392+6,393+7,392+8 | |
22. | 100 zone: 196+9,194+7,197+5 | |
23. | Add it up: Addition with regrouping 769+45 | |
24. | Add it up: Addition with regrouping 777+58 | |
25. | Number detectives: 102+98=? | |
26. | Number detectives: 348+103=? | |
27. | Number detectives: 56+92=? | |
28. | Number detectives: 156+104=? | |
29. | Number detectives: 201+99=? | |
30. | Hundreds and hundreds: 657+173=830 | |
31. | Hundreds and hundreds: ?64+5?9=90? | |
32. | Hundreds and hundreds: 6?8+157=?2? | |
33. | Hundreds and hundreds: 364+235=? | |
34. | Number detectives: 30+?, 20+?, 10+?=100 | |
35. | Number detectives: 82+?, 24+?, 76+?=100 | |
36. | Number detectives: 89+?, 21+?, 59+?=100 | |
37. | Addition chains 10 multiples | |
38. | Addition chains 10 multiples | |
39. | Addition chains 10 multiples | |
40. | Addition chains 10 multiples | |
41. | Addition chains 10 multiples | |
42. | 100 zone: 295+8=?, 798+?=804, ?+9=405 | |
43. | 100 zone: 294+8=?, 396+?=401, ?+4=705 | |
44. | 100 zone: 295+9=?, 596+?=602, ?+8=201 | |
45. | 100 zone: 399+5=?, 895+7=902, ?+6=503 | |
46. | 100 zone: 698+6=704, 292+?=301, ?+8=503 | |
47. | Comp. pairs add/subtract: 678+156=834 | |
48. | Comp. pairs add/subtract: 246+357=603 | |
49. | Comp. pairs add/subtract: 545+328=873 | |
50. | Comp. pairs add/subtract: 488+323=811 | |
51. | Comp. pairs add/subtract: 493+257=750 | |
52. | Add it up: Addition with regrouping 314+428 | |
53. | Add it up: Addition with regrouping 628+347 | |
54. | Add it up: Addition with regrouping 249+344 | |
55. | Add it up: Addition with regrouping 638+143 | |
56. | Add it up: Addition with regrouping 773+219 | |
57. | Add it up: Addition with regrouping 315+27 | |
58. | Add it up: Addition with regrouping 259+28 | |
59. | Add it up: Addition with regrouping 437+44 | |
60. | Add it up: Addition with regrouping 673+19 | |
61. | Add it up: Addition with regrouping 536+38 | |
62. | Hundreds and hundreds: 597+600=? | |
63. | Hundreds and hundreds: Complete vertical hundreds addition | |
64. | Hundreds and hundreds: Complete vertical hundreds addition | |
65. | Hundreds and hundreds: 643+600=? | |
66. | Hundreds and hundreds: 756+800=? | |
67. | 100 zone: *+95=500 365+*=400 625+75=* | |
68. | 100 zone: *+185=200 655+*=700 335+65=* | |
69. | 100 zone: *+25=300 445+*=500 895+5=* | |
70. | 100 zone: *+45=400 165+*=200 725+75=* | |
71. | 100 zone: *+85=700 405+*=500 375+25=* | |
72. | Helen at the sweet shop: 40c+25c+30c+50c | |
73. | Same or different: Click all the boxes with the same answer. | |
74. | Same or different: Click all the boxes with the same answer. | |
75. | True or False?: 26+46=72 13+29=44 62+18=80 38+25=53 | |
76. | True or False?: 27+18=45 32+39=49 49+27=76 57+26=83 | |
77. | True or False?: 19+49=58 48+33=81 24+37=62 64+28=90 | |
78. | Number Detectives: Mystery Teens | |
79. | Number Detectives: Mystery Teens | |
80. | Number Detectives: Mystery Teens | |
81. | Number Detectives: Mystery Teens | |
82. | Add it up: 347+454 | |
83. | Add it up: 627+277 | |
84. | Add it up: 583+228 | |
85. | Add it up: 509+199 | |
86. | Add it up: 341+189 | |
87. | Add it up: 1288+252 | |
88. | Add it up: 2273+339 | |
89. | Add it up: 6082+889 | |
90. | Add it up: 7239+697 | |
91. | Scoring decimal points: 19.3+2.3=*1.* | |
92. | Scoring decimal points: *3.6+*.2=25.* | |
93. | Scoring decimal points: 1*.*+2.5=*0.8 | |
94. | Scoring decimal points: 2*.2+1.5=*7.* | |
95. | Use The pattern 1.4+1.5, 10.4+10.5, 104+105 | |
96. | Use The pattern 1.2+1.7, 10.2+10.7, 102 107 | |
97. | Use The pattern 1.4+1.4, 10.4+10.4, 104+104 | |
98. | Use The pattern 1.2+1.4, 10.2+10.4, 102+104 | |
99. | Add Board: Complete vertical algorithm | |
100. | Scoring Decimal Points: Complete vertical algorithm | |
101. | Scoring Decimal Points: Complete vertical algorithm | |
102. | Scoring Decimal Points: Complete vertical algorithm | |
103. | Scoring Decimal Points: Complete vertical algorithm | |
104. | Scoring Decimal Points: Complete vertical algorithm | |
105. | Decimals get together: 6.7+?=10 | |
106. | Decimals get together: 5.8+4.2=? | |
107. | Decimals get together: ?+3.7=10 | |
108. | Add it up decimals: 26.7+5.4 | |
109. | Add it up decimals: 56.7+7.6 | |
110. | Add it up decimals:64.6+8.9=73.5 | |
111. | Add it up decimals: 36.5+7.9 | |
112. | Add it up decimals: 69.4+7.7 | |
113. | Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp | |
114. | Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp | |
115. | Scoring Decimal Points: 2*.*+14.9 = *8.5 | |
116. | Scoring Decimal Points: *2.4* + 9.*0 = 4*.09 | |
117. | Scoring Decimal Points: 7.5* + *.*0 = *2.46 | |
118. | Scoring Decimal Points: 8.6* + *.91 = 11.*3 | |
119. | Scoring Decimal Points: *.16 + 7.9* = 10.*1 | |
120. | Scoring Decimal Points: 4.61 + 6.*3 = **.4* | |
121. | Hundreds takeaway: *53-*7=61* | |
122. | Hundreds takeaway: *42 - 5*9 = 31* | |
123. | Hundreds takeaway: *75 - 2*6 = 10* | |
124. | Hundreds takeaway: *43 - 2*7 = 20* | |
125. | Hundreds takeaway: *82-4*7 = 18* | |
126. | Take Tens: 45-?=35,580-90=? | |
127. | Take Tens: 62-?=22,880-50=? | |
128. | Take Tens: 73-?=53,630-90=? | |
129. | Take Tens: 98-?=18,920-60=? | |
130. | Complem. add/subtract: 652-547=105 | |
131. | Complem. add/subtract: 845-69=776 | |
132. | Complem. add/subtract: 492-116=376 | |
133. | Complem. add/subtract: 831-88=743 | |
134. | Complem. add/subtract: 634-97=537 | |
135. | Complem. add/subtract: 263-84=179 | |
136. | Complem. add/subtract: 751-47=704 | |
137. | Complem. add/subtract: 397-59=338 | |
138. | Take it away 154-36=118 | |
139. | Take it away 763-57=706 | |
140. | Take it away 681-29=652 | |
141. | Hundreds Takeaway: *00 - 37 = 66* | |
142. | Hundreds Takeaway: *00 - *8 = 352 | |
143. | Hundreds Takeaway: 800 - **5 = 45 | |
144. | Hundreds Takeaway: *00 - 569 = *1 | |
145. | Hundreds Takeaway: *00-26*=35 | |
146. | Take tens: 527-?=497 | |
147. | Take tens: 849-?=759 | |
148. | Take tens: 321-?=251 | |
149. | Take tens: 513-?=463 | |
150. | Take tens: 655-?=595 | |
151. | Take tens: 734-50=? | |
152. | Take tens: 408-90=? | |
153. | Take tens: 978-80=? | |
154. | Take tens: 345-70=? | |
155. | Take tens: 533-60=? | |
156. | Mysteries of 100!: 100-?=77, 100-?=60, 100-?=88 | |
157. | Mysteries of 100!: 100-?=45, 100-?=28, 100-?=66 | |
158. | Mysteries of 100!: 100-?=40, 100-?=75, 100-?=62 | |
159. | Mysteries of 100!: 100-?=19, 100-?=80, 100-?=69 | |
160. | Mysteries of 100!: 100-?=76, 100-?=65, 100-?=54 | |
161. | Subtraction chains: 87-14-13-15, 98-17-11-6 | |
162. | Subtraction chains: 79-14-15-12, 68-17-20-11 | |
163. | Subtraction chains: 76-13-12-11, 92-20-12-14 | |
164. | Subtraction chains: 94-20-14-11, 65-15-25-15 | |
165. | 100 zone: 600-3, 400-5, 200-7 | |
166. | 100 zone: 900-9, 700-7, 500-5 | |
167. | 100 zone: 700-2, 300-4, 100-6 | |
168. | 100 zone: 400-6, 300-4, 200-2 | |
169. | 100 zone: 800-8, 600-6, 400-4 | |
170. | Laura at sweet shop: $5-($1+25c+5x10c) | |
171. | Carla at sweet shop: $5-(2x10c+20c+4x10c) | |
172. | Take it away: Subtraction with decomposition 791-338 | |
173. | Take it away: Subtraction with decomposition 874-258 | |
174. | Take it away: Subtraction with decomposition 362-139=? | |
175. | Take it away: Subtraction with decomposition 984-427=? | |
176. | Take it away: Subtraction with decomposition 653-137=? | |
177. | 1000s crossing: 6002-6, 4001-4, 2005-7 | |
178. | 1000s crossing: 7002-8, 5004-7, 3003-6, | |
179. | 1000s crossing: 9002-9, 18006-7, 7007-9 | |
180. | 1000s crossing: 5001-5, 10003-5, 1004-5 | |
181. | 1000s crossing: 8004-7, 13003-8, 4006-9 | |
182. | Tens Takeaway: 400-20, 40 less than 480, ?-80=360 | |
183. | Tens Takeaway: 500-50, 70 less than 700, ?-90=810 | |
184. | Tens Takeaway: 900-30, 10 less than 400, ?-60=40 | |
185. | Tens Takeaway: 300-80, 50 less than 700, ?-90=110 | |
186. | Tens Takeaway: 600-20, 70 less than 500, ?-30=370 | |
187. | Hundreds Takeaway: 658 - *79 = 1*9 | |
188. | Hundreds Takeaway: 9*1 - *52 = 1*9 | |
189. | Hundreds Takeaway: **1 - 21* = 185 | |
190. | Mysteries of 50!: 50-?=46, 36, 26 | |
191. | Mysteries of 60!: 60-?=35, 30, 45 | |
192. | Mysteries of 60!: 60-?=40, 30, 20 | |
193. | Mysteries of 60!: 60-?=32, 28, 16 | |
194. | Mysteries of 50!: 50-?=17, 28, 39 | |
195. | Mysteries of 50!: 50-?=33, 8, 24 | |
196. | Mysteries of 50!: 50-?=34, 25, 14 | |
197. | Mysteries of 70!: 70-?=44, 38, 29 | |
198. | Mysteries of 70!: 70-?=58, 33, 9 | |
199. | Mysteries of 70!: 70-?=28, 35, 43 | |
200. | Subtraction Chains | |
201. | Subtraction Chains | |
202. | Subtraction Chains | |
203. | Subtraction Chains | |
204. | Subtraction Chains | |
205. | Subtraction Chains | |
206. | Subtraction Chains | |
207. | Subtraction Chains | |
208. | Subtraction Chains | |
209. | Hundreds and Thousands: 1643 - 788 = *55 | |
210. | Decimal Drops: 27.* - 15.3 = 1*.3 | |
211. | Decimal Drops: 63.* - 4*.6 = *2.2 | |
212. | Decimal Drops: 48.8 - 2*.* = *9.5 | |
213. | Decimal Drops: 81.4 - 22.* = *9.2 | |
214. | Take it away: 422 - 114 = ? | |
215. | Take it away: 650 - 322 = ? | |
216. | Take it away: 456 - 245 = ? | |
217. | Take it away: 763 - 335 = ? | |
218. | Take it away: 389 - 147 = ? | |
219. | Tenths Crossing: 40.4-0.5, 63.5-0.6, 30.6-0.7 | |
220. | Tenths Crossing: 20.2-0.4, 37.7-0.9, 17.5-0.9 | |
221. | Tenths Crossing: 26.5-0.8, 55.5-0.9, 74.3-0.7 | |
222. | Tenths Crossing: 44.4-0.8, 38.6-0.7, 23.2-0.5 | |
223. | Tenths Crossing: 88.5-0.8, 65.3-0.5, 43.6-0.9 | |
224. | Same or different: Click all the boxes with the same answer. | |
225. | Same or different: Click all the boxes with the same answer. | |
226. | Same or different: Click all the boxes with the same answer. | |
227. | Subtraction Chains | |
228. | Subtraction Chains | |
229. | Subtraction Chains | |
230. | Subtraction Chains | |
231. | Duncan at the sweet shop: $10-($1+$2+$1.20+$1.20) | |
232. | Scoring Decimal Points: Complete vertical algorithm | |
233. | Scoring Decimal Points: Complete vertical algorithm | |
234. | Scoring Decimal Points: Complete vertical algorithm | |
235. | Scoring Decimal Points: Complete vertical algorithm | |
236. | Scoring Decimal Points: Complete vertical algorithm | |
237. | Mysteries of 20: Decimals | |
238. | Mysteries of 20: Decimals | |
239. | Hit the big times: 31 x 3 | |
240. | Hit the big times 42x2 | |
241. | Hit the big times: 21 x 4 | |
242. | Hit the big times 30x2 | |
243. | Number production: Complete each multiplication sentence | |
244. | Number production: Complete each multiplication sentence | |
245. | Number production: Complete each multiplication sentence | |
246. | Chocolate Frenzy: 4 x $4.65 | |
247. | Hit the Big times: 259 x 3 =*7* | |
248. | Hit the Big times: 524 x 3= **72 | |
249. | Hit the Big times: 628 x 3= 1*8* | |
250. | Number production: Complete each multiplication sentence. | |
251. | Maths production: Complete each multiplication sentence. | |
252. | Maths production: Complete each multiplication sentence. | |
253. | Number production: Complete each multiplication sentence. | |
254. | Double up: Double 24, 2400 | |
255. | Double up: Double 16, 1600 | |
256. | Double up: Double 99, 990 | |
257. | Double up: Double 38, 380 | |
258. | Double up: Double 50, 50 000 | |
259. | Same or different: Click all the boxes where the answer is the same. | |
260. | Same or different: Click all the boxes where the answer is the same. | |
261. | Same or different: Click all the boxes where the answer is the same. | |
262. | Same or different: Click all the boxes where the answer is the same. | |
263. | Same or different: Click all the boxes where the answer is the same. | |
264. | Multiplication simplification: 42 x 16 | |
265. | Multiplication simplification: 34 x 12 | |
266. | Multiplication simplification: 29x24 | |
267. | Multiplication simplification: 42 x 24 | |
268. | Multiplication simplification: 26 x 16 | |
269. | Same or Different: Click all the boxes with the same answer. | |
270. | Same or Different: Click all the boxes with the same answer. | |
271. | Multiplication Simplification: 48x16 | |
272. | Multiplication Simplification: 88x24 | |
273. | Division Chain: 90 / 3 = ?, / 10 = ? | |
274. | Division Chain: 100 / 5 = ?, / 2 = ? | |
275. | My Fair Sharer: 12, 300, 9 / 3 | |
276. | My Fair Sharer: 100, 24, 28 / 4 | |
277. | My Fair Sharer: 250, 40, 100 / 5 | |
278. | My Fair Sharer: 240, 120, 360 / 10 | |
279. | Divide and Multiply | |
280. | Divide and Multiply | |
281. | My Fair Sharer: write the answers after each number has been divided | |
282. | Number detectives: ? / 7 = 60 | |
283. | Number detectives: 250/5=? | |
284. | Number detectives: 320/?=80 | |
285. | Number detectives: 270/?=90 | |
286. | Same or different: Click all the boxes where the answer is the same. | |
287. | Same or different: Click all the boxes where the answer is the same. | |
288. | Same or different: Click all the boxes where the answer is the same. | |
289. | Same or different: Click all the boxes where the answer is the same. | |
290. | Same or different: Click all the boxes where the answer is the same. | |
291. | Divide and multiply - 8, 480 | |
292. | Divide and multiply - 80, 400 | |
293. | Divide and multiply - 8,720 | |
294. | Divide and multiply - 40, 320 | |
295. | Divide and multiply - 30, 210 | |
296. | My Fair Sharer - 6, 240, 90, 72 | |
297. | My Fair Sharer - 720, 88, 3, 60 | |
298. | The Great Divide: Complete each division sentence | |
299. | The Great Divide: Complete each division sentence | |
300. | The Great Divide: Complete each division sentence | |
301. | The Great Divide: Complete each division sentence | |
302. | The Great Divide: Complete each division sentence | |
303. | Same or different: Click all the boxes where the answer is the same | |
304. | Same or different: Click all the boxes where the answer is the same. | |
305. | Same or different: Click all the boxes where the answer is the same. | |
306. | Same or different: Click all the boxes where the answer is the same. | |
307. | Same or different: Click all the boxes where the answer is the same. | |
308. | Divide and multiply: 64 / 8 | |
309. | Divide and multiply 240/6 | |
310. | Fair Sharer /4 | |
311. | Fair Sharer /6 | |
312. | Fair Sharer /9 | |
313. | My Fair Sharer: Write the correct division setting on the fair sharer | |
314. | Fair Sharer: Write the correct division setting on the fair sharer | |
315. | Divide a hundred 360/*=9 120/3=* | |
316. | Divide a hundred 270/*=3 420/6=* | |
317. | Division Chains | |
318. | Division Chains | |
319. | Division Chains | |
320. | Cash for cakes: 36.80 /4 | |
321. | Number Quest - complete number sentence | |
322. | All Things Equal - equivalent to 7 + 7 | |
323. | Number Quest - complete number sentence | |
324. | Number Quest - complete number sentence | |
325. | Use the pattern: 4 x 16 = 4 x 10 + 4 x 6 | |
326. | Use the pattern: 4 x 23 = 4 x 20 + 4 x 3 | |
327. | Use the pattern: 8x43 = 8x40 + 8x3 | |
328. | Use the pattern: 5 x 35 = 5 x 30 + 5 x 5 | |
329. | Use the pattern: 9x63 = 9x60 + 9x3 | |
330. | Use the pattern: 6x84 = 6x80 + 6x4 | |
331. | Use the pattern: 4x73 = 4x70 + 4x3 | |
332. | Use the pattern: 5x44 = 5x40 + 5x4 | |
333. | Use the pattern: 8x62 = 8x60 + 8x2 | |
334. | Use the pattern: 3x64 = 3x60 + 3x4 | |
335. | Use the pattern: 7x56 = 7x50 + 7x6 | |
336. | Use the pattern: 6x78 = 6x70 + 6x8 | |
337. | Decimals get together: 7.6+?=10 | |
338. | Decimals get together: 2.7+7.3=? | |
339. | Decimals get together: ?+1.1=10 | |
340. | Decimals get together: 5.4+?=10 | |
341. | Decimals get together: 4.7+5.3=? | |
342. | Decimals get together: ?+5.7=10 | |
343. | Decimals get together: 3.8+?=10 | |
344. | Decimals get together: 3.4+6.6=? | |
345. | Decimals get together: ?+7.1=10 | |
346. | Decimals get together: 5.9+?=10 | |
347. | Decimals get together: 3.7+6.3=? | |
348. | Decimals get together: ?+6.7=10 | |
349. | Same or different: Click all the boxes where the answer is the same | |
350. | Build A Total - number sequence, 40 | |
351. | Build A Total - number sequence, 50 | |
352. | Build A Total - number sequence, 55 | |
353. | Build A Total - number sequence, 44 | |
354. | Build A Total - number sequence, 36 | |
355. | Build A Total - number sequence, 23 | |
356. | Build A Total - number sequence, 28 | |
357. | Build A Total - number sequence, 32 | |
358. | Deepa at the shop: $2 - (40c + 70c) | |
359. | Sarah at the shop: $2 - (40c + 30c + 50c + 5c) | |
360. | Tina at the shop: $2 - (60c + 45c + 25c + 30c) |