Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages
Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages
| 1. | Changing Numbers: 80 to 78 | |
| 2. | Changing Numbers: 50 to 45 | |
| 3. | Changing Numbers: 35 to 40 | |
| 4. | Rounding - Round to 10: 43 87 16 | |
| 5. | Rounding - Round to 10: 12 64 93 | |
| 6. | Rounding - Round to 10: 229 154 177 | |
| 7. | Rounding - Round to 10: 473, 924, 341 | |
| 8. | Rounding - Round to 100: 467 828 582 | |
| 9. | Rounding - Round to 100: 650 649 651 | |
| 10. | Rounding - Round to 100: 499 501 449 | |
| 11. | Rounding - Round to 100: 330 370 350 | |
| 12. | Rounding - Round to 100: 467 828 582 | |
| 13. | Changing Numbers - 9906 to 9996 | |
| 14. | Round to the nearest 1000: 2689 1500 6999 | |
| 15. | Round to the nearest 1000: 1001 1999 4050 | |
| 16. | Round to the nearest 1000: 4698 6010 4449 | |
| 17. | Round to the nearest 1000: 1501 1499 1999 | |
| 18. | Round to the nearest 1000: 8750 2496 5671 | |
| 19. | Rounding to nearest 100: 258 840 686 | |
| 20. | Rounding to nearest 100: 251 949 670 | |
| 21. | Rounding to nearest 100: 43 450 699 | |
| 22. | Rounding to nearest 100: 899 159 378 | |
| 23. | Rounding to nearest 100: 60 116 161 | |
| 24. | Round to the nearest 100: 287, 957, 793 | |
| 25. | Round to the nearest 100: 951, 450, 1698 | |
| 26. | Round to the nearest 100: 1598, 1450, 1499 | |
| 27. | Round to the nearest 100: 18 420, 69 510, 77 352 | |
| 28. | Round to the nearest 100: 105 248, 398 429, 367 950 | |
| 29. | Round to the nearest 1000: 125 369, 425 877, 786 357 | |
| 30. | Round to the nearest 1000: 598 635, 459 352, 987 201 | |
| 31. | Round to the nearest 1000: 598 258, 952 698, 169 999 | |
| 32. | Round to the nearest 1000: 369 247, 987 365, 654 589 | |
| 33. | Round to the nearest 1000: 654 741, 321 123, 696 969 | |
| 34. | Round to the nearest 1000: 987 523, 659 137, 498 951 | |
| 35. | Round to nearest 1000: 4450 4550 9500 | |
| 36. | Number Detectives: Four consecutive even numbers that total 100 | |
| 37. | Round to nearest 10 000: 24 589 325 002 164 997 | |
| 38. | Round to nearest 100 000: 2 050 006 3 545 683 4 009 045 | |
| 39. | Round to nearest 10 000: 4 542 125 5 552 369 7 769 582 | |
| 40. | Round to nearest 10 000: 6 564 287 2 319 279 477 021 | |
| 41. | Round to nearest 100 000: 3 469 125 7 782 425 2 372 158 | |
| 42. | Jasmin at the Fruit Shop: 6c + 5c + 10c | |
| 43. | Keisha at the Fruit Shop: 5c + 10c + 8c | |
| 44. | Harry at the Fruit Shop: 6c + 6c + 5c | |
| 45. | Changing Numbers: 27 to 31 | |
| 46. | Changing Numbers: 24 to 28 | |
| 47. | Changing Numbers: 30 to 50 | |
| 48. | Changing Numbers: 48 to 50 | |
| 49. | Number Detectives: ? + 10 = 32 | |
| 50. | True or False?: 9 + 11 = 20 | |
| 51. | True or False?: 12 + 5 = 17 | |
| 52. | True or False?: 11 + 4 = 15 | |
| 53. | True or False?: 11 + 5 = 16 | |
| 54. | Anyone for a Burger? $4+$6 | |
| 55. | Anyone for a burger? $5+$4 | |
| 56. | Bargain Basement $3+$6 | |
| 57. | Anyone for a burger?: $5 + $6 + $2 | |
| 58. | Bargain Basement: $3 + (2x$2) + $10 | |
| 59. | Leah's Fruit Salad: 25c + 40c | |
| 60. | Roberto's Fruit Salad: 25c + 40c | |
| 61. | Isabelle's Fruit Salad: 45c + 40c | |
| 62. | Laura's Fruit Salad: 20c + 40c | |
| 63. | Connor's Fruit Salad: 20c + 45c | |
| 64. | Number detectives 45+*=100 | |
| 65. | Number detectives 75+*=100 | |
| 66. | Number detectives 85+*=100 | |
| 67. | Number detectives 35+*=100 | |
| 68. | Number detectives 5+*=100 | |
| 69. | Add board 5* + 46 = *8 | |
| 70. | Add board 35 + *3 = 7* | |
| 71. | Make 400: 200+100+? | |
| 72. | Make 500: 100+200+? | |
| 73. | Make 600: 50+550+? | |
| 74. | Make 700: 350+125+? | |
| 75. | Make 800: 125+225+? | |
| 76. | Make 900: 275+375+? | |
| 77. | Anyone for a burger?: $5+$4+$1+$2 | |
| 78. | Anyone for a burger?: $6+$4+$1+$3 | |
| 79. | Anyone for a burger?: $5+$6+$4 | |
| 80. | Anyone for a burger?: $5+$4+$1+$2 | |
| 81. | Anyone for a burger?: $5+$6+$1+$3 | |
| 82. | Bargain basement: $8+$4+$10 | |
| 83. | Mystery number: ?+7=252 | |
| 84. | Mystery number: ?+6=174 | |
| 85. | Mystery number: ?+7=451 | |
| 86. | Mystery number: ?+6=512 | |
| 87. | Mystery number: ?+6+163 | |
| 88. | True or False?: 12 + 14 = 26 | |
| 89. | True or False?: 17 + 19 = 36 | |
| 90. | True or False?: 12 + 13 = 25 | |
| 91. | Mystery number: 157+?=163 | |
| 92. | Mystery number: 133+?=146 | |
| 93. | Mystery number: 212+?=224 | |
| 94. | Mystery number: 106+?=118 | |
| 95. | Mystery number: 106+?=118 | |
| 96. | Use the pattern: 5+2,50+20, 500+200=? | |
| 97. | Use the pattern: 5+4,50+40, 500+400=? | |
| 98. | Use the pattern: 7+1,70+10, 700+100=? | |
| 99. | Use the pattern: 2+3,20+30, 200+300=? | |
| 100. | Use the pattern: 3+8,30+80, 300+800=? | |
| 101. | Same or different:13-4,6+3,12-5,19-8,32-23 | |
| 102. | Same or different:13+6,34-15,43-25,32-13,58-37 | |
| 103. | On the Board: *24 + 92= 6** | |
| 104. | On the Board: **1 + 38= 30* | |
| 105. | On the Board: *4*+*6=569 | |
| 106. | On the Board: 81*+*6=*09 | |
| 107. | On the Board: *52+10*=3*8 | |
| 108. | On the Board: *8*+91=*78 | |
| 109. | On the Board: 7**+102=*97 | |
| 110. | On the Board: *46+*2=43* | |
| 111. | On the Board: 53*+*2=*29 | |
| 112. | On the Board: *6*+73=5*6 | |
| 113. | Make 100: 50, 20 & ? | |
| 114. | Make 100: 60, 20 & ? | |
| 115. | Make 100: 10, 40 & ? | |
| 116. | Make 100: 10, 30 & ? | |
| 117. | Make 100: 60, 40 & ? | |
| 118. | On the Board: 6*+*2=100 | |
| 119. | On the Board: *6+2*=100 | |
| 120. | On the Board: 4*+*7=100 | |
| 121. | On the Board: *4+7*=100 | |
| 122. | On the Board: *4+3*=100 | |
| 123. | Adding Tens: 142+?=182 | |
| 124. | Adding Tens: 30+?=574 | |
| 125. | Adding Tens: ?+30=492 | |
| 126. | 100 zone: 796+7,794+8,799+6 | |
| 127. | 100 zone: 593+7,594+8,596+5 | |
| 128. | 100 zone: 693+9,695+8,697+7 | |
| 129. | 100 zone: 392+6,393+7,392+8 | |
| 130. | 100 zone: 196+9,194+7,197+5 | |
| 131. | True or False?: 38+14=52 | |
| 132. | True or False?: 56+17=73 | |
| 133. | True or False?: 55+17=72 | |
| 134. | Hundreds and hundreds: 42?+3?8=79? | |
| 135. | Hundreds and hundreds: 657+173=830 | |
| 136. | Hundreds and hundreds: 6?8+157=?2? | |
| 137. | Hundreds and hundreds: 17?+?23=2?7 | |
| 138. | Make 1000: 500+300+? | |
| 139. | Make 1000: 600+300+? | |
| 140. | Make 1000: 400+100+? | |
| 141. | Make 1000: 400+200+? | |
| 142. | Make 1000: 200+100+? | |
| 143. | Make 1000: 250+300+* | |
| 144. | Make 1000: 750+50+* | |
| 145. | Make 1000: 850+150+* | |
| 146. | Make 1000: 600+150+* | |
| 147. | Make 1000: 50+800+* | |
| 148. | Addition chains 10 multiples | |
| 149. | Addition chains 10 multiples | |
| 150. | Addition chains 10 multiples | |
| 151. | Addition chains 10 multiples | |
| 152. | Addition chains 10 multiples | |
| 153. | Anyone for a burger?:$4+$5+$2+$2+$2 | |
| 154. | Anyone for a burger?:$4+$6+$1+$3 | |
| 155. | 100 zone: 295+8=?, 798+?=804, ?+9=405 | |
| 156. | 100 zone: 294+8=?, 396+?=401, ?+4=705 | |
| 157. | 100 zone: 295+9=?, 596+?=602, ?+8=201 | |
| 158. | 100 zone: 399+5=?, 895+7=902, ?+6=503 | |
| 159. | 100 zone: 698+6=704, 292+?=301, ?+8=503 | |
| 160. | Hundreds and hundreds: 597+600=? | |
| 161. | Hundreds and hundreds: Complete vertical hundreds addition | |
| 162. | Hundreds and hundreds: Complete vertical hundreds addition | |
| 163. | Hundreds and hundreds: 643+600=? | |
| 164. | Hundreds and hundreds: 756+800=? | |
| 165. | Bessie's found her marbles: 327 - (158+57+63+90) | |
| 166. | True or False?: 36+49=85 | |
| 167. | True or False?: 63+8=65+6 | |
| 168. | True or False?: 26+7=29+4 | |
| 169. | Same or different: Click all the boxes with the same answer. | |
| 170. | Same or different: Click all the boxes with the same answer. | |
| 171. | Same or different: Click all the boxes with the same answer. | |
| 172. | Same or different: Click all the boxes with the same answer. | |
| 173. | Same or different: Click all the boxes with the same answer. | |
| 174. | True or False?: 26+46=72 13+29=44 62+18=80 38+25=53 | |
| 175. | True or False?: 27+18=45 32+39=49 49+27=76 57+26=83 | |
| 176. | True or False?: 19+49=58 48+33=81 24+37=62 64+28=90 | |
| 177. | Number Detectives: Mystery Teens | |
| 178. | Number Detectives: Mystery Teens | |
| 179. | Number Detectives: Mystery Teens | |
| 180. | Number Detectives: Mystery Teens | |
| 181. | Number Detectives: Mystery Teens | |
| 182. | 100 Zone: 180+30, 270+50, 40+330 | |
| 183. | 100 Zone: 568+30, 623+20, 60+480 | |
| 184. | 100 Zone: 372+20, 638+50, 110+40 | |
| 185. | 100 Zone: 263+20, 390+30, 70+680 | |
| 186. | 100 Zone: 890+50, 329+30, 50+440 | |
| 187. | Add it up: 583+228 | |
| 188. | Add it up: 509+199 | |
| 189. | Add it up: 341+189 | |
| 190. | Add it up: 1288+252 | |
| 191. | Add it up: 2273+339 | |
| 192. | Add it up: 6082+889 | |
| 193. | Add board: 140*+8*0=*229 | |
| 194. | Add board: 183*+3*0=2*60 | |
| 195. | Add board: *7*0+458=2*5* | |
| 196. | Add board: 15*5+60*=2*55 | |
| 197. | Add board: 1*88+4*0=*10* | |
| 198. | Adding Hundreds 136+*=536 566+200=* 300m/t264=* | |
| 199. | Adding Hundreds 532+*=732 328+500=* 600m/t119=* | |
| 200. | Adding 105 254+*=250 421+105=* 105m/t101=* | |
| 201. | Hundreds to Add - 562+*=667 263+105=* 105m/t714=* | |
| 202. | Hundreds to Add - 365+*=470 532=105=637 105m/t283=* | |
| 203. | Add Board: Complete vertical algorithm | |
| 204. | Add Board: Complete vertical algorithm | |
| 205. | Add Board: Complete vertical algorithm | |
| 206. | Add Board: Complete vertical algorithm | |
| 207. | Add Board: Complete vertical algorithm | |
| 208. | Hundreds and Hundreds: Complete vertical algorithm | |
| 209. | Hundreds and Hundreds: Complete vertical algorithm | |
| 210. | Hundreds and Hundreds: Complete vertical algorithm | |
| 211. | Hundreds and Hundreds: Complete vertical algorithm | |
| 212. | Hundreds and Hundreds: Complete vertical algorithm | |
| 213. | Thousands and Thousands: Complete vertical algorithm | |
| 214. | Thousands and Thousands: Complete vertical algorithm | |
| 215. | Thousands and Thousands: Complete vertical algorithm | |
| 216. | Thousands and Thousands: Complete vertical algorithm | |
| 217. | Thousands and Thousands: Complete vertical algorithm | |
| 218. | Fiona's day out | |
| 219. | Give or take a thousand: 283 557+4000 | |
| 220. | Give or take a thousand: 136 558+9000 | |
| 221. | Give or take a thousand: 7000 more than 456 821 | |
| 222. | Give or take a thousand: Add 8000 and 197 523 | |
| 223. | Give or take a thousand: Sum of 7000 and 197 237 | |
| 224. | Give or take a thousand: Sum of 128764 and 6000 | |
| 225. | Give or take a thousand: 164849 more than 7000 | |
| 226. | Give or take a thousand: 345 219 greater than 7000 | |
| 227. | Give or take a thousand: Sum of 349 285 and 4000 | |
| 228. | Give or take a thousand: Add 319 564 to 3000 | |
| 229. | Give or take a thousand: 4000 more than 13 468 | |
| 230. | Give or take a thousand: 3000 more than 21 654 | |
| 231. | Give or take a thousand: 7000 more than 63 489 | |
| 232. | Give or take a thousand: 8000 more than 49 735 | |
| 233. | Same or different : Click all the boxes with the same answer. | |
| 234. | Same or different : Click all the boxes with the same answer. | |
| 235. | Same or different : Click all the boxes with the same answer. | |
| 236. | Same or different : Click all the boxes with the same answer. | |
| 237. | Same or different : Click all the boxes with the same answer. | |
| 238. | True or False? 16-4=12 | |
| 239. | True or False? 10-2=11-3 | |
| 240. | True or False? 9-5=8-4 | |
| 241. | Anyone for a burger: $20 - ($4 + $6) | |
| 242. | Anyone for a burger: $20 - ($4 + $5) | |
| 243. | Anyone for a burger: $20 - ($5 + $6) | |
| 244. | Anyone for a burger: $20 - ($4 + $3) | |
| 245. | Anyone for a burger: $20 - ($6 + $5) | |
| 246. | Anyone for a burger?: $10 - ($4 + $3) | |
| 247. | Anyone for a burger?: $15 - ($6 + $5) | |
| 248. | Anyone for a burger?: $20 - ($4 + $6) | |
| 249. | Bargain Basement: $20 - ($4+ $2+ $10) | |
| 250. | Bargain Basement: $15 - ($8 + $6) | |
| 251. | Bargain Basement: $20 - ($8 + $10) | |
| 252. | Anyone for a burger? $20 -($6 + $4 + $3) | |
| 253. | Anyone for a burger? $20 - ($4 + $5) | |
| 254. | Spot the difference: 102 & 97, 27 & 19, 100 & 60 | |
| 255. | Anyone for a burger?: $20 - ($6 + $6 + $1 + $3) | |
| 256. | Anyone for a burger?: $20 - ($4 + $4 + $1 + $3) | |
| 257. | Find first number: After I count back 5, the new number is 299. Where did I start? | |
| 258. | Find first number: After I count back 4, the new number is 197. Where did I start? | |
| 259. | Find first number: After I count back 6, the new number is 395. Where did I start? | |
| 260. | Find first number: After I count back 7, the new number is 596. Where did I start? | |
| 261. | Find first number: After I count back 8, the new number is 95. Where did I start? | |
| 262. | True or False: 200 - 28 = 172 | |
| 263. | True or False: 30 + 16 - 4 = 42 | |
| 264. | Use the Pattern: 7-3, 37-3, 167-3=? | |
| 265. | Use the Pattern: 9-5, 29-5, 249-5=? | |
| 266. | Use the Pattern: 6-3, 36-3, 166-3=? | |
| 267. | Use the Pattern: 8-1, 18-1, 128-1=? | |
| 268. | Use the Pattern: 6-4, 46-4, 286-4=? | |
| 269. | Hundreds takeaway 350-**=330 | |
| 270. | Hundreds takeaway 697-**=614 | |
| 271. | Hundreds takeaway 457-**=425 | |
| 272. | Hundreds takeaway 596-**=543 | |
| 273. | Hundreds takeaway 875-**=865 | |
| 274. | Hundreds takeaway 997-**=971 | |
| 275. | Loraine's day out: $50 < or > ($22 + $18)? | |
| 276. | Jamie's day out: $20 < or > ($12 + $12)? | |
| 277. | Wendy's day out: $50 < or > ($34 + $14)? | |
| 278. | Spot the Difference: Between 169 and 176 | |
| 279. | Spot the Difference: Between 239 and 242 | |
| 280. | Spot the Difference: Between 465 and 472 | |
| 281. | Spot the Difference: Between 327 and 333 | |
| 282. | Spot the Difference: Between 689 and 694 | |
| 283. | Spot the difference: 160 and 174; 346 and 360; 190 and 204 | |
| 284. | Changing numbers 683-554 | |
| 285. | Changing numbers 257-138 | |
| 286. | Changing numbers 884-763 | |
| 287. | Changing numbers 576-557 | |
| 288. | Changing numbers 794-683 | |
| 289. | Changing numbers 461-432 | |
| 290. | Write the missing number: 15 + 110 + ? = 134 | |
| 291. | Write the missing number: 18 + 111 + ? = 131 | |
| 292. | Write the missing number: ? + 104 + 15 = 126 | |
| 293. | Write the missing number: 110 + ? + 107 = 229 | |
| 294. | Write the missing number: 109 + ? + 115 = 330 | |
| 295. | Write the missing number: 21 + 107 + ? = 137 | |
| 296. | Write the missing number: 125 + ? + 5 = 142 | |
| 297. | Write the missing number: 118 + ? + 20 = 145 | |
| 298. | Write the missing number: 13 + ? + 126 = 148 | |
| 299. | Write the missing number: 14 + 117 + ? = 139 | |
| 300. | Use the pattern: 40 - 6, 400 - 60, 4000 - 600 | |
| 301. | Use the pattern: 60 - 2, 600 - 20, 6000 - 200 | |
| 302. | Use the pattern: 50 - 9, 500 - 90, 5000 - 900 | |
| 303. | Use the pattern: 80 - 5, 800 - 50, 8000 - 500 | |
| 304. | Use the pattern: 90 - 8, 900 - 80, 9000 - 800 | |
| 305. | Same or Different: Answer 43 | |
| 306. | Same or Different: Answer 77 | |
| 307. | Same or Different: Answer 69 | |
| 308. | Same or Different: Answer 56 | |
| 309. | Same or Different: Answer 38 | |
| 310. | Same or Different: Answer 24 | |
| 311. | Hundreds takeaway: *53-*7=61* | |
| 312. | Hundreds takeaway: *42 - 5*9 = 31* | |
| 313. | Hundreds takeaway: *75 - 2*6 = 10* | |
| 314. | Hundreds takeaway: *43 - 2*7 = 20* | |
| 315. | Hundreds takeaway: *82-4*7 = 18* | |
| 316. | The Mysteries of 40! 40-14,23,19 | |
| 317. | The Mysteries of 40! 40-8,12,25 | |
| 318. | The Mysteries of 40! 40-20,15,9 | |
| 319. | The Mysteries of 50! 50-35,12,6 | |
| 320. | The Mysteries of 50! 50-16,21,30 | |
| 321. | Subtraction chains: ?-12-7-6=65, ?-11-6-13=50 | |
| 322. | Subtraction chains: ?-11-10-12, ?-8-11-4=7 | |
| 323. | Subtraction chains: ?-10-11-9, 50-12-8-7=23 | |
| 324. | Subtraction chains: ?-11-8-10, ?-9-6-7=34 | |
| 325. | Subtraction chains: ?-7-9-12, ?-12-5-11 | |
| 326. | Anyone for a burger? $20-($6+$5+$2) | |
| 327. | Take Tens: 67-?=47,430-70=? | |
| 328. | Take Tens: 71-?=21,250-30=? | |
| 329. | Take Tens: 66-?=36,360-80=? | |
| 330. | Take Tens: 94-?=54,740-20=? | |
| 331. | Take Tens: 89-?=19,460-50=? | |
| 332. | Take Tens: 86-?=26,170-40=? | |
| 333. | Take Tens: 45-?=35,580-90=? | |
| 334. | Take Tens: 62-?=22,880-50=? | |
| 335. | Take Tens: 73-?=53,630-90=? | |
| 336. | Take Tens: 98-?=18,920-60=? | |
| 337. | Linh at the sweet shop: $2-(30c+5x10c) | |
| 338. | Spot the difference: 175-162, 187-170, 264-243 =? | |
| 339. | Spot the difference: 360-345, 122-108, 754-742 =? | |
| 340. | Spot the difference: 217-201, 184-167, 340-321 =? | |
| 341. | Spot the difference: 609-597, 99-118, 77-105 =? | |
| 342. | Spot the difference: 360-375, 129-118, 156-140 =? | |
| 343. | CD players $285 - $128 | |
| 344. | Same or Different: Answer 42 | |
| 345. | Same or Different: Answer 50 | |
| 346. | Same or Different: Answer 85 | |
| 347. | Same or Different: Answer 76 | |
| 348. | Same or Different: Answer 24 | |
| 349. | Same or Different: Answer 60 | |
| 350. | Same or Different: Answer 32 | |
| 351. | Same or Different: Answer 45 | |
| 352. | Same or Different: Answer 21 | |
| 353. | Same or Different: Answer 55 | |
| 354. | Hundreds Takeaway: *00 - 37 = 66* | |
| 355. | Hundreds Takeaway: *00 - *8 = 352 | |
| 356. | Hundreds Takeaway: 800 - **5 = 45 | |
| 357. | Hundreds Takeaway: *00 - 569 = *1 | |
| 358. | Hundreds Takeaway: *00-26*=35 | |
| 359. | Hundreds Takeaway: 6*2-32* = *21 | |
| 360. | Hundreds Takeaway: **2-43*=362 | |
| 361. | Hundreds Takeaway: *1*-5*4=414 | |
| 362. | Hundreds Takeaway: *8*-2*2=132 | |
| 363. | Hundreds Takeaway: 5*9-35*=*11 | |
| 364. | Take tens: 527-?=497 | |
| 365. | Take tens: 849-?=759 | |
| 366. | Take tens: 321-?=251 | |
| 367. | Take tens: 513-?=463 | |
| 368. | Take tens: 655-?=595 | |
| 369. | Mysteries of 100!: 100-?=77, 100-?=60, 100-?=88 | |
| 370. | Mysteries of 100!: 100-?=45, 100-?=28, 100-?=66 | |
| 371. | Mysteries of 100!: 100-?=40, 100-?=75, 100-?=62 | |
| 372. | Mysteries of 100!: 100-?=19, 100-?=80, 100-?=69 | |
| 373. | Mysteries of 100!: 100-?=76, 100-?=65, 100-?=54 | |
| 374. | Anyone for a burger?: $20-($5+$4+$1+$2) | |
| 375. | Anyone for a burger?: $20-($6+$5+$1+$3) | |
| 376. | Anyone for a burger?: $50-($6+$6+$1+$4+$3+$3) | |
| 377. | 100 zone: 600-3, 400-5, 200-7 | |
| 378. | 100 zone: 900-9, 700-7, 500-5 | |
| 379. | 100 zone: 700-2, 300-4, 100-6 | |
| 380. | 100 zone: 400-6, 300-4, 200-2 | |
| 381. | 100 zone: 800-8, 600-6, 400-4 | |
| 382. | Write the missing number: 750+100+?=1000 | |
| 383. | Write the missing number: 600+50+?=1000 | |
| 384. | Write the missing number: 500+450+?=1000 | |
| 385. | Write the missing number: 250+50+?=1000 | |
| 386. | Write the missing number: 650+100+?=1000 | |
| 387. | True or False?: 12-8=11-7 | |
| 388. | True or False?: 99-66=44-11 | |
| 389. | True or False?: 44-4=60-20 | |
| 390. | True or False?: 50-5=90-45 | |
| 391. | True or False?: 35-15=40-20 | |
| 392. | Hundreds Takeaway: 777 - 699 = *78 | |
| 393. | Hundreds Takeaway: 658 - *79 = 1*9 | |
| 394. | Hundreds Takeaway: 9*1 - *52 = 1*9 | |
| 395. | Hundreds Takeaway: 792 -*6* = 5*8 | |
| 396. | Hundreds Takeaway: **1 - 21* = 185 | |
| 397. | Mysteries of 50!: 50-?=46, 36, 26 | |
| 398. | Mysteries of 60!: 60-?=35, 30, 45 | |
| 399. | Mysteries of 60!: 60-?=40, 30, 20 | |
| 400. | Mysteries of 60!: 60-?=32, 28, 16 | |
| 401. | Mysteries of 50!: 50-?=17, 28, 39 | |
| 402. | Mysteries of 50!: 50-?=33, 8, 24 | |
| 403. | Mysteries of 50!: 50-?=34, 25, 14 | |
| 404. | Mysteries of 70!: 70-?=44, 38, 29 | |
| 405. | Mysteries of 70!: 70-?=58, 33, 9 | |
| 406. | Mysteries of 70!: 70-?=28, 35, 43 | |
| 407. | Subtraction Chains | |
| 408. | Hundreds and Thousands: *5** - *90=1890 | |
| 409. | Thousands Takeaway: 61*8 - 4*2* =*219 | |
| 410. | Thousands Takeaway: *47* - 2859 = 5**4 | |
| 411. | Hundreds and Thousands: *782 - *3* = 18*6 | |
| 412. | 100 zone: 105-15, 306-8, 109-10 | |
| 413. | 100 zone: 304-7, 400-15, 401-5 | |
| 414. | 100 zone: 400-6, 400-9, 400-11 | |
| 415. | 100 zone: 402-5, 312-15, 314-15 | |
| 416. | 100 zone: 108-9, 111-12, 106-7 | |
| 417. | 1000s crossing: 6010-5995, 8012-7990, 4023-3998 | |
| 418. | 1000s crossing: 2002-1999, 9015-8990, 5011-4991 | |
| 419. | 1000s crossing: 4011-3994, 5009-4989, 7013-6990 | |
| 420. | 1000s crossing: 3021-2988, 6017-5996, 2008-1994 | |
| 421. | 1000s crossing: 8016-7991, 7004-6987, 9020-8995 | |
| 422. | True or False?: 267 - 89 = 178 | |
| 423. | True or False?: 287 = 372 - 85 | |
| 424. | True or False?: 751 - 96 = 655 | |
| 425. | Same or different: Click all the boxes with the same answer. | |
| 426. | Same or different: Click all the boxes with the same answer. | |
| 427. | Same or different: Click all the boxes with the same answer. | |
| 428. | Same or different: Click all the boxes with the same answer. | |
| 429. | Same or different: Click all the boxes with the same answer. | |
| 430. | Subtraction Chains | |
| 431. | Subtraction Chains | |
| 432. | Subtraction Chains | |
| 433. | Subtraction Chains | |
| 434. | Subtraction Chains | |
| 435. | Subtraction Chains | |
| 436. | Subtraction Chains | |
| 437. | Subtraction Chains | |
| 438. | Take Tens 541-60=481,924-90=834 | |
| 439. | Take Tens 874-80=481,219-20=199 | |
| 440. | Take Tens 603-10=593,128-50=78 | |
| 441. | Take Tens 459-70=389,816-40=776 | |
| 442. | Take Tens 352-70=282,715-30=685 | |
| 443. | Thousands Takeaway: Complete vertical algorithm | |
| 444. | Thousands Takeaway: Complete vertical algorithm | |
| 445. | Thousands Takeaway: Complete vertical algorithm | |
| 446. | Thousands Takeaway: Complete vertical algorithm | |
| 447. | Thousands Takeaway: Complete vertical algorithm | |
| 448. | Thousands Takeaway: Complete vertical algorithm | |
| 449. | Thousands Takeaway: Complete vertical algorithm | |
| 450. | Thousands Takeaway: Complete vertical algorithm | |
| 451. | Thousands Takeaway: Complete vertical algorithm | |
| 452. | Shannon's Day Out - $25-$3-$11-$6-$4=$1 | |
| 453. | Jamie's Day Out - $100-$59-$27-$4-$8=$2 | |
| 454. | Give or Take Thousands: 260 000 - 5000 | |
| 455. | Give or Take Thousands: 155 000 - 2000 | |
| 456. | Give or Take Thousands: 222 000 - 22 000 | |
| 457. | Give or Take Thousands: Take 39 000 from 49 000 | |
| 458. | Give or Take 1000: 1280000 - 4000 = 1276000 | |
| 459. | Give or Take 1000: 155000 - 4000 = ? | |
| 460. | Give or Take Thousands: 22 000 - 3000 | |
| 461. | Give or Take 1000: how much more 590000 than 290000 | |
| 462. | Give or Take Thousands: 24 000 - 6000 | |
| 463. | Give or Take Thousands: 15 500 - 2000 | |
| 464. | Give or Take Thousands: 12 000 - 1200 | |
| 465. | Give or Take Thousands: 19 000 less than 49 000 | |
| 466. | Sleep on it: $134-$79=$? | |
| 467. | 1000s crossing: 4020-3990, 7005-6985, 3009-2999 | |
| 468. | 1000s crossing: 2030-1980, 4040-3960, 6010-5970 | |
| 469. | 1000s crossing: 1050-980, 2020-1970, 5070-4990 | |
| 470. | Uncle Max's New Car - $7845-$3250 | |
| 471. | Anyone for a burger? $6 + $6 + $1 + $3 from $50 | |
| 472. | Anyone for a burger? $4 + $6 + $1 + $2 from $20 | |
| 473. | Funky Frank's day out: Money addition and subtraction | |
| 474. | True or False?: 431 - 62 = 627 - 258 | |
| 475. | Bargain basement: 2x2 | |
| 476. | Bargain basement: 2x3 | |
| 477. | Bargain basement: 1x8 | |
| 478. | Bargain basement: 3x2 | |
| 479. | A Day at the Fair: 3x$1 + 2x$2 | |
| 480. | Sum money: 4x10c + 1x20c | |
| 481. | Hit the big times: 13 x 2 | |
| 482. | Use the pattern: 3 x 15 = 3 x 10 + 3 x 5 | |
| 483. | Number production: Put the correct ending on each multiplication sentence | |
| 484. | Number detectives: 24 x 6 | |
| 485. | Number detectives: 12 x 20 | |
| 486. | Maths production: Complete each multiplication sentence. | |
| 487. | Maths production: Complete each multiplication sentence. | |
| 488. | Multiplication simplification: 42 x 16 | |
| 489. | Multiplication simplification: 34 x 12 | |
| 490. | Multiplication simplification: 42 x 24 | |
| 491. | Multiplication simplification: 26 x 16 | |
| 492. | Fast food - 3x?=60 cents | |
| 493. | Division Chain: 90 / 3 = ?, / 10 = ? | |
| 494. | Division Chain: 100 / 5 = ?, / 2 = ? | |
| 495. | Number detectives: One quarter of 32 | |
| 496. | True or False: 24 ÷ 3 = 40 / 5 | |
| 497. | True or False: 2 x 3 = 24 / 4 | |
| 498. | True or False: 80 / 10 = 2 x 4 | |
| 499. | True or False: 20/2=40/4 | |
| 500. | True or False: 24/6=32/8 | |
| 501. | Poodle Capers: Lord Percibald's poodles - $640 for 2 = ? each | |
| 502. | Head Quarters: One half & one quarter of 100 | |
| 503. | True or False: 30/2=3x5 | |
| 504. | Money Matters: 26/2 | |
| 505. | Divide and Multiply | |
| 506. | High Finance: $32 + $32 / 2 | |
| 507. | A good dose: 60 / (2 x 5) | |
| 508. | Same or different: Click all the boxes where the answer is the same | |
| 509. | Same or different: Click all the boxes where the answer is the same. | |
| 510. | Same or different: Click all the boxes where the answer is the same. | |
| 511. | Divide and multiply: 64 / 8 | |
| 512. | Ralph Finds Half - $20 / 2 | |
| 513. | Raplh Finds Half - 12L / 2 | |
| 514. | Ralph Finds Half - 20 cents / 2 | |
| 515. | Bessie Finds Half: A box of 12 chocolates | |
| 516. | Bessie Finds Half: A group of 18 lambs | |
| 517. | Bessie Finds Half: 6 basketballs | |
| 518. | Bessie Finds Half: 16 choc bars | |
| 519. | Bessie Finds Half: 8 koalas up a gum tree | |
| 520. | Dollar Shares: Half of $100 | |
| 521. | Phoebe Figures Fractions: one quarter of 8 | |
| 522. | Phoebe Figures Fractions: one half of 30 | |
| 523. | N/D: Number halfway between 10 and 20 | |
| 524. | N/D: Number halfway between 0 and 12 | |
| 525. | Phoebe Figures Fractions: One-quarter of 28 | |
| 526. | Detective Duck: Number half-way between 5 and 6 | |
| 527. | Detective Duck: Number halfway between 3 and 4 | |
| 528. | Detective Duck: Number half-way between 9 and 10 | |
| 529. | Detective Duck: Number halfway between 0 and 1 | |
| 530. | What Was I Thinking? - find original number after operations | |
| 531. | What Was I Thinking? - find original number after operations | |
| 532. | What Was I Thinking? - find original number after operations | |
| 533. | Number Quest - complete number sentence | |
| 534. | Sum In A Circle - numbers in each groups total 15 | |
| 535. | A Maths Story - match number sentence to story | |
| 536. | Which Operation? - 95*5=90 | |
| 537. | All Things Equal - equivalent to 7 + 7 | |
| 538. | Number Quest - complete number sentence | |
| 539. | Big Brother? - working backwards | |
| 540. | Sum In A Circle - numbers in each group total 15 | |
| 541. | Patterns - Which operation? 95*5=100 | |
| 542. | Which Operation? - 63*28 = 91 | |
| 543. | Which Operation? - 60*4 = 56 | |
| 544. | Dr Dan's Number Operations - "x - 6 = 7" | |
| 545. | The Busy Bus - students on and off bus | |
| 546. | Dr Dan's Number Operations - "x + 2 = 10" | |
| 547. | Number Quest - complete number sentence | |
| 548. | Number Quest - complete number sentence | |
| 549. | Build A Total - number sequence, 24 | |
| 550. | Banana Bonanza - number pattern | |
| 551. | Build A Total - number sequence, 45 | |
| 552. | Build A Total - number sequence, 30 | |
| 553. | Head Hunt - number problem | |
| 554. | Enid the Elephant's Equations - equivalent to 6 + 6 | |
| 555. | Mega-sum-a-saurus - complete missing digits to make number sentence | |
| 556. | Mega-sum-a-saurus - complete missing digits to make number sentence | |
| 557. | It's A Bug's Life - 17 years after 2004 | |
| 558. | The Chicken Story: seventy-seven + twelve | |
| 559. | The Chicken Story: seventy-four - sixty-seven | |
| 560. | The Chicken Story: forty-four - thirty-four | |
| 561. | The Chicken Story: twenty-eight - twenty | |
| 562. | The Chicken Story: fifty - forty-six | |
| 563. | The Chicken Story: thirty - twenty-five | |
| 564. | The Chicken Story: thirty-seven - thirty-four | |
| 565. | The Chicken Story: twenty-four - twenty | |
| 566. | Dollar Shares - Half of $20 | |
| 567. | Dollar Shares - Half of $18 | |
| 568. | Dollar Shares - Half of $60 | |
| 569. | Dollar Shares - Half of $100 | |
| 570. | Dollar Shares - Half of $50 | |
| 571. | Ralph Finds Half - $30 / 2 | |
| 572. | Bessie Finds Half: A group of 10 sleepy grumpy hairy-nosed wombats | |
| 573. | Frank Finds Quarters - 4 silly circus clowns | |
| 574. | Ralph Finds Half - 60 cents / 2 | |
| 575. | Bessie Finds Half: A rack of 20 polka dot bow ties | |
| 576. | Frank Finds Quarters - 20 Christmas lights | |
| 577. | Bessie Finds Half: A batch of 14 steak, bacon and cheese pies | |
| 578. | Frank Finds Quarters - 8 wriggly earthworms | |
| 579. | Ralph Finds Half - 4L / 2 | |
| 580. | Bessie Finds Half: A group of 16 fluffy teddies | |
| 581. | Frank Finds Quarters - 16 tropical fish | |
| 582. | Ralph Finds Half - $18 / 2 | |
| 583. | Bessie Finds Half: A squad of 6 flying pigs | |
| 584. | Frank Finds Quarters - 24 double-choc ice creams | |
| 585. | Ralph Finds Half - 8 / 2 | |
| 586. | Bessie Finds Half: A colony of 20 numbats busily slurping up termites | |
| 587. | Bessie Finds Half: 14 fierce pirates | |
| 588. | Ralph Finds Half - 12 / 2 | |
| 589. | Ralph Finds Half - 18 / 2 | |
| 590. | Bessie Finds Half: 20 swimming swans | |
| 591. | Ralph Finds Half - 22 / 2 | |
| 592. | Ralph Finds Half - 20 / 2 | |
| 593. | Dollar Shares: Half of $1 | |
| 594. | Dollar Shares: Half of $20 | |
| 595. | Dollar Shares: Half of 80 cents | |
| 596. | Dollar Shares: Half of $30 | |
| 597. | Frank Finds Quarters - 12 rampaging rhinos | |
| 598. | Dollar Shares: Half of $10 | |
| 599. | Dollar Shares: Half of $12 | |
| 600. | The Chicken Story: seventy-nine - seventy-three | |
| 601. | Dollar Shares: Half of $26 | |
| 602. | Use the pattern: 4 x 16 = 4 x 10 + 4 x 6 | |
| 603. | Use the pattern: 5 x 15 = 5 x 10 + 5 x 5 | |
| 604. | Use the pattern: 4 x 23 = 4 x 20 + 4 x 3 | |
| 605. | Use the pattern: 2 x 26 = 2 x 20 + 2 x 6 | |
| 606. | Head Quarters: One half & one quarter of 64 | |
| 607. | Head Quarters: One half & one quarter of 56 | |
| 608. | Head Quarters: One half & one quarter of 60 | |
| 609. | Head Quarters: One half & one quarter of 80 | |
| 610. | Ralph Finds Half - 16 / 2 | |
| 611. | Frank Finds Quarters - 32 cunning crocodiles | |
| 612. | Frank Finds Quarters - 20 dabbling ducks | |
| 613. | The Chicken Story: forty-one - thirty-three | |
| 614. | The Chicken Story: seventy-six - sixty-five | |
| 615. | The Chicken Story: thirty-nine + twelve | |
| 616. | The Chicken Story: thirty-six + fourteen | |
| 617. | The Chicken Story: forty-one + seventeen | |
| 618. | The Chicken Story: thirteen + nineteen | |
| 619. | The Chicken Story: twenty-four + thirty-two | |
| 620. | Head Quarters: One half & one quarter of 416 | |
| 621. | Head Quarters: One half & one quarter of 852 | |
| 622. | Head Quarters: One half & one quarter of 212 | |
| 623. | Head Quarters: One half & one quarter of 160 | |
| 624. | Head Quarters: One half & one quarter of 128 | |
| 625. | Head Quarters: One half & one quarter of 384 | |
| 626. | Head Quarters: One half & one quarter of 656 | |
| 627. | Head Quarters: One half & one quarter of 540 | |
| 628. | Head Quarters: One half & one quarter of 324 | |
| 629. | Head Quarters: One half & one quarter of 224 | |
| 630. | Head Quarters: One half & one quarter of 60 | |
| 631. | Head Quarters: One half & one quarter of 80 | |
| 632. | Use the pattern: 5 x 35 = 5 x 30 + 5 x 5 | |
| 633. | Bessie Finds Half: 42 ballroom dancers | |
| 634. | Same or different: Click the box where the answer is different | |
| 635. | Same or different: Are these products the same? | |
| 636. | Rounding - Round to 10: 38 | |
| 637. | Rounding - Round to 10: 76 | |
| 638. | Rounding - Round to 10: 96 | |
| 639. | Rounding - Round to 10: 16 | |
| 640. | Rounding - Round to 10: 87 | |
| 641. | Rounding - Round to 10: 43 | |
| 642. | Rounding - Round to 10: 64 | |
| 643. | Rounding - Round to 10: 12 | |
| 644. | Rounding - Round to 10: 27 | |
| 645. | Rounding - Round to 10: 68 | |
| 646. | Rounding - Round to 10: 62 | |
| 647. | Rounding - Round to 10: 26 | |
| 648. | Rounding - Round to 10: 429 | |
| 649. | Rounding - Round to 10: 118 | |
| 650. | Rounding - Round to 10: 568 | |
| 651. | Rounding - Round to 10: 113 | |
| 652. | Rounding - Round to 10: 292 | |
| 653. | Rounding - Round to 10: 132 | |
| 654. | Rounding - Round to 10: 268 | |
| 655. | Rounding - Round to 100: 62 | |
| 656. | Rounding - Round to 100: 350 | |
| 657. | Rounding - Round to 10: 902 | |
| 658. | Rounding - Round to 10: 99 | |
| 659. | Rounding - Round to 10: 705 | |
| 660. | Round and round we go: Round 945 to the nearest 10 | |
| 661. | Round and round we go: Round 2dp to a whole number | |
| 662. | Round and round we go: Round 754 to the nearest hundred | |
| 663. | Round and round we go: Round 356 to the nearest ten | |
| 664. | Round and round we go: Round 840 to the nearest hundred | |
| 665. | Rounding - Round to 10: 28 | |
| 666. | Rounding - Round to 10: 46 | |
| 667. | Rounding - Round to 10: 79 | |
| 668. | Rounding - Round to 10: 14 | |
| 669. | Rounding - Round to 10: 55 | |
| 670. | Rounding - Round to 100: 68 | |
| 671. | Rounding - Round to 100: 911 | |
| 672. | Rounding - Round to 100: 345 | |
| 673. | Rounding - Round to 100: 438 | |
| 674. | Rounding - Round to 100: 691 | |
| 675. | Rounding - Round to 100: 224 | |
| 676. | Rounding - Round to 100: 749 | |
| 677. | Rounding - Round to 100: 198 | |
| 678. | Rounding - Round to 100: 850 | |
| 679. | Rounding - Round to the nearest whole number: 288.8 | |
| 680. | Rounding - Round to 100: 572 | |
| 681. | Rounding - Round to the nearest whole number: 100.4 | |
| 682. | Rounding - Round to the nearest whole number: 165.1 | |
| 683. | Rounding - Round to the nearest whole number: 59.5 | |
| 684. | Rounding - Round to the nearest whole number: 24.9 | |
| 685. | See You Round: Round to the nearest thousand: 1945 | |
| 686. | See You Round: Round to the nearest thousand: 57501 | |
| 687. | See You Round: Round to the nearest thousand: 18011 | |
| 688. | See You Round: Round to the nearest thousand: 6399 | |
| 689. | See You Round: Round to the nearest thousand: 3721 | |
| 690. | See You Round: Round to the nearest thousand: 31948 | |
| 691. | See You Round: Round to the nearest thousand: 22586 | |
| 692. | See You Round: Round to the nearest thousand: 9387 | |
| 693. | See You Round: Round to the nearest thousand: 7319 | |
| 694. | See You Round: Round to the nearest thousand: 4747 | |
| 695. | In Two with Teina - $30 / 2 | |
| 696. | See You Round: Round to the nearest thousand: 602 | |
| 697. | See You Round: Round to the nearest ten: 4018 | |
| 698. | See You Round: Round to the nearest hundred: 5747 | |
| 699. | See You Round: Round to the nearest thousand: 4503 | |
| 700. | N/D: Number halfway between 11 and 15 | |
| 701. | N/D: Number half-way between 7 and 11 | |
| 702. | N/D: Number halfway between 17 and 21 | |
| 703. | N/D: Number halfway between 23 and 27 | |
| 704. | Round and round we go: Round 2dp to a whole number | |
| 705. | Round and round we go: Round 2dp to a whole number | |
| 706. | Round and round we go: Round 2dp to a whole number | |
| 707. | Round and round we go: Round 2dp to a whole number | |
| 708. | Round to the nearest 100: 453 665, 399 655, 290 099 | |
| 709. | Round to the nearest 1000: 870 560, 499 975, 533 245 | |
| 710. | Round to the nearest 100: 234 567, 123 456, 345 678 | |
| 711. | Round to the nearest 10 000: 113 455, 384 990, 438 003 | |
| 712. | Build A Total - number sequence, 25 | |
| 713. | Build A Total - number sequence, 35 | |
| 714. | Build A Total - number sequence, 44 | |
| 715. | Build A Total - number sequence, 36 | |
| 716. | Build A Total - number sequence, 23 | |
| 717. | Build A Total - number sequence, 28 | |
| 718. | Build A Total - number sequence, 32 | |
| 719. | Kenny at the shop: $1 - 60c | |
| 720. | Felicity at the shop: $1 - 45c | |
| 721. | Jessie at the shop: $1 - 25c | |
| 722. | Drew at the shop: $1 - 50c | |
| 723. | Samantha at the shop: $1 - 10c | |
| 724. | Barbara at the shop: $1 - 30c | |
| 725. | Jenny at the shop: $1 - 40c | |
| 726. | Charlotte at the shop: $1 - 60c | |
| 727. | Andrew at the shop: 50c - 25c | |
| 728. | Madeline at the shop: 50c - 5c | |
| 729. | Jenni at the shop: $1 - (10c + 30c + 5c) | |
| 730. | Liz at the shop: $1 - (10c + 40c + 5c) | |
| 731. | Reuben at the shop: (2 x 25c) + (1 x 40c) | |
| 732. | Henrietta and Jay at the shop: (2 x 25c) + (2 x 15c) | |
| 733. | Deepa at the shop: $2 - (40c + 70c) |