Calculating

1. 10 000 less, 1000 more than 9 630 258
2. 0.1 less, 0.1 more than 50.1
3. 0.1 less, 0.1 more than 42.9
4. 0.1 less, 0.1 more than 28.5
5. 0.1 less, 0.1 more than 82
6. 0.1 less, 0.1 more than 99
7. 0.1 less, 0.1 more than 99.9
8. Changing Numbers: Divide by 1, 10, 100
9. Changing Numbers: Divide by 1, 10, 100
10. Changing Numbers: Divide by 1, 10, 100
11. Changing Numbers: Divide by 1, 10, 100
12. Changing Numbers: Divide by 1, 10, 100
13. Changing Numbers: 5.5 x 1, x 10, x 10, x 100
14. Changing Numbers: 4.3 +10, - 0.1, x 10, x 100
15. Changing Numbers: 58.32 x 100, + 10.1, - 0.01, ÷10
16. Changing Numbers: 83.56 x10, +11, +1.1, ÷ 10
17. Thousands and Thousands: Complete vertical algorithm
18. Thousands and Thousands: Complete vertical algorithm
19. Thousands and Thousands: Complete vertical algorithm
20. Thousands and Thousands: Complete vertical algorithm
21. Thousands and Thousands: Complete vertical algorithm
22. Give or take a thousand: 283 557+4000
23. Give or take a thousand: 7000 more than 456 821
24. Give or take a thousand: Add 8000 and 197 523
25. Give or take a thousand: Sum of 7000 and 197 237
26. Give or take a thousand: Sum of 128764 and 6000
27. Give or take a thousand: 164849 more than 7000
28. Give or take a thousand: 345 219 greater than 7000
29. Give or take a thousand: Sum of 349 285 and 4000
30. Give or take a thousand: Add 319 564 to 3000
31. Give or take a thousand: 7000 more than 63 489
32. Give or take a thousand: 8000 more than 49 735
33. Changing numbers: 36 159 add 100 add 1 add 10
34. Changing numbers: 23 855 add 100 add 1 add 10
35. Changing numbers: 36 052 add 1000 add 1 add 10
36. Changing numbers: 23 615 add 1000 add 100 add 10
37. Changing numbers: 36 925 add 10 add 1000 add 1
38. Add It Up: Addition of 4-digit numbers with regrouping
39. Add It Up: Addition of 4-digit numbers with regrouping
40. Add It Up: Addition of 4-digit numbers with regrouping
41. Add It Up: Addition of 4-digit numbers with regrouping
42. Add It Up: Addition of 4-digit numbers with regrouping
43. Add It Up: Addition of 4-digit numbers with regrouping
44. Add It Up: Addition of 4-digit numbers with regrouping
45. Add It Up: Addition of 4-digit numbers with regrouping
46. Add It Up: Addition of 4-digit numbers with regrouping
47. Add It Up: Addition of 4-digit numbers with regrouping
48. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
49. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
50. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
51. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
52. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
53. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
54. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
55. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
56. Add it up: Addition of decimal numbers with regrouping
57. Add it up 4126+5999
58. Add it up 5672+6928
59. Add it up 2369+9872
60. Add it up 8273+7989
61. Add it up 7827+6376
62. Give or take a thousand Add 4000 to 2668
63. Give or take a thousand Add 8000 to 7558
64. Give or take a thousand what is 5000 m/t 23669?
65. Give or take a thousand what is 6000 m/t 8331?
66. Give or take a thousand what is 19369 + 3000?
67. Add these three numbers 24+45+16=?
68. Add these three numbers 20+35+16=?
69. Add these three numbers 45+15+14=?
70. Add these three numbers 26+12+22=?
71. Add these three numbers 37+13+18=?
72. Add it up 148.82+76.59
73. Add it up 137.87+28.95
74. Add it up 237.27+23.91
75. Changing numbers 2.351 add 0.3, 0.003, 0.03
76. Changing numbers 5.391 add 4, 0.004, 0.4
77. Changing numbers 4.345 add 0.004, 40, 0.04
78. Changing numbers 1.221 Add 0.7, 0.07, 7.007
79. Changing numbers 3.539 add 0.001, 1.1, 1.01
80. Give or Take 10 000 40000+227558
81. Give or Take 10 000 50 000+23 565
82. Give or Take 10 000 40 000+56 780
83. Give or Take 10 000 20 000 + 239 330
84. Give or Take 10 000 50 000+50 332
85. Add these three numbers 2.5+9.5+2.7
86. Negative Thinking 2 + * = -4
87. Scoring decimal points: Write the missing numbers in vertical decimal addition
88. Scoring decimal points: Write the missing numbers in vertical decimal addition
89. Scoring decimal points: Write the missing numbers in vertical decimal addition
90. Scoring decimal points: Write the missing numbers in vertical decimal addition
91. Scoring decimal points: Write the missing numbers in vertical decimal addition
92. Hundredths crossing: Add/subtract crossing a tenths/whole number bound
93. Hundredths crossing: Add/subtract crossing a tenths/whole number bound
94. Hundredths crossing: Add/subtract crossing a tenths/whole number bound
95. Hundredths crossing: Add/subtract crossing a tenths/whole number bound
96. Hundredths crossing: Add/subtract crossing a tenths/whole number bound
97. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
98. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
99. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
100. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
101. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
102. Hundredths crossing 69.39+6.38
103. Hundredths crossing 79.33+5.99
104. Hundredths crossing 37.22+6.37
105. Hundredths crossing 156.54+6.77
106. Hundredths crossing 49.22+0.87
107. Adding the big ones: Write missing numbers in vertical addition
108. Adding the big ones: Write missing numbers in vertical addition
109. Hundredths crossing: Addition of numbers with 2 dec places
110. Hundredths crossing: Addition of numbers with 2 dec places
111. Hundredths crossing: Addition of numbers with 2 dec places
112. Thousands Takeaway: Complete vertical algorithm
113. Thousands Takeaway: Complete vertical algorithm
114. Thousands Takeaway: Complete vertical algorithm
115. Thousands Takeaway: Complete vertical algorithm
116. Thousands Takeaway: Complete vertical algorithm
117. Give or Take Thousands: 260 000 - 5000
118. Give or Take 1000: 1280000 - 4000 = 1276000
119. Give or Take Thousands: 22 000 - 3000
120. Give or Take Thousands: 24 000 - 6000
121. Give or Take Thousands: 15 500 - 2000
122. Give or Take Thousands: 12 000 - 1200
123. 1000s crossing: 5030-4990, 3010-2950, 7970-8040
124. 1000s crossing: 8020-7940, 4030-3950, 9060-8980
125. 1000s Crossing: 6015-5999, 8014-7995, 3024-2990
126. Subtraction Chains: ?-3=15.4, -0.1-8, ?-4-0.5-0.2=9.2
127. Subtraction Chains: ?-4.2=11.5,-1.1-3.3, ?-15.5-3-6.5=6
128. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
129. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
130. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
131. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
132. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
133. Give or Take a thousand
134. Give or Take a thousand
135. Give or Take a thousand
136. Give or Take a thousand
137. Give or Take a thousand
138. Thousands crossing: 12009-12, 16005-9, 25006-15,
139. Thousands crossing: 24001-6, 27004-10, 23002-22987
140. Thousands crossing: 22002-10, 19006-8, 41009-15
141. Thousands crossing: 42002-41992, 26013-25287, 37007-15
142. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
143. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
144. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
145. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
146. Thousands Takeaway: *42* - 4480 = 4**5
147. Thousands Takeaway: 673* - **41 = 39*9
148. Thousands Takeaway: *34* - 2375 = 5**8
149. Thousands Takeaway: 70** - *104 = 1*99
150. Thousands Takeaway: *04* - 27*9 = 1*21
151. Give or Take a Thousand 193051 - 3000 = ?
152. Give or Take a Thousand 714320 - 5000 = ?
153. Give or Take a Thousand 685531 - 2000 = ?
154. Give or Take a Thousand 214990 - 5000 = ?
155. Give or Take a Thousand 33750 - 3000 = ?
156. Give or Take a Thousand 142301 - 6000 = ?
157. Give or Take a Thousand 335771 - 8000 = ?
158. Give or Take a Thousand 1524151 - 20000 = ?
159. Give or Take a Thousand 1348159 - 10000 = ?
160. Give or Take a Thousand 31486128 - 30000 = ?
161. Give or Take a Thousand 13221 - 8000 = ?
162. Give or Take a Thousand 12850 - 4000 = ?
163. Give or Take a Thousand 31280 - 3000 = ?
164. Give or Take a Thousand 25190 - 6000 = ?
165. Give or Take a Thousand 14820 - 7000 = ?
166. Give or Take a Hundred 562719-500
167. Give or Take a Hundred 276582-400
168. Give or Take a Hundred 618395-200
169. Give or Take a Hundred 45927-300
170. Give or Take a Hundred 75881-700
171. Taking the Big Ones: Write the missing numbers in vertical subtractions
172. Taking the Big Ones: Write the missing numbers in vertical subtractions
173. Thousands crossing: Add/subtract crossing a thousands bound
174. Thousands crossing: Add/subtract crossing a thousands bound
175. Thousands crossing: Add/subtract crossing a thousands bound
176. Thousands crossing: Add/subtract crossing a thousands bound
177. Thousands crossing: Add/subtract crossing a thousands bound
178. Decimal Drops: Write the missing numbers in vertical decimal subtractions
179. Decimal Drops: Write the missing numbers in vertical decimal subtractions
180. Decimal Drops: Write the missing numbers in vertical decimal subtractions
181. Decimal Drops: Write the missing numbers in vertical decimal subtractions
182. Decimal Drops: Write the missing numbers in vertical decimal subtractions
183. Scoring decimal points: Write missing numbers in vertical decimal subtractions
184. Scoring decimal points: Write missing numbers in vertical decimal subtractions
185. Scoring decimal points: Write missing numbers in vertical decimal subtractions
186. Scoring decimal points: Write missing numbers in vertical decimal subtractions
187. Scoring decimal points: Write missing numbers in vertical decimal subtractions
188. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
189. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
190. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
191. Scoring decimal points: Write missing numbers in vertical subtractions
192. Scoring decimal points: Write missing numbers in vertical subtractions
193. Take it away: Subtraction with decomposition
194. Take it away: Subtraction with decomposition
195. Take it away: Subtraction with decomposition
196. Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum
197. Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum
198. Double up: Double 35, 3500
199. Double Up: 140
200. Double Up: 240
201. Double Up: 160
202. Double Up: 180
203. Double Up: 130
204. Hitting the big times: *3 *55 x * = 6* 465
205. Hitting the big times: 44626 x 6 = *6**5*
206. Hitting the big times: **457 x 4 = 93 **8
207. Hitting the big times: 82 *4* x 20 = 1 **6 94*
208. Hitting the big times: 51* *37 x 3 = * *48 71*
209. Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions
210. Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions
211. Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions
212. Division Chain: Three- and four-digit numbers
213. Division Chain: Three- and four-digit numbers
214. Divide a thousand: 28 000/70
215. Divide a thousand: 48 000/600
216. Divide a thousand 16 488/4
217. Divide a thousand 21 360/30
218. Divide ten thousand 30 000 / 50 = ?
219. Divide a hundred thousand 280 000 / 40 = ?
220. Divide a hundred thousand 640 000 / 8000 = ?
221. Degrees of heat: How many times hotter is the Earth's inner core than the upper mantle?
222. Fraction Wise: 3/4 of 600 mL
223. Fraction Wise: 4/5 of $1000
224. Fraction wise 1/100 of 1000L
225. Fraction wise 1/100 of 100L
226. Fraction wise 3/10 of $50
227. Fraction wise 7/10 of 40 cents
228. Fractions Add
229. Having a spell: Compare marks on a percentage basis
230. Detective Duck 2/3 of 1.5
231. Detective Duck 3/4 of 56
232. Lavender's Blue: Investigate proportional relationships
233. Scaling Snakes: Investigate proportional relationships
234. Honey, Honey: Investigate proportional relationships
235. Grub Might: Investigate proportional relationships
236. Done to Perfection: Investigate proportional relationships
237. Choc Free Zone: Investigate proportional relationships
238. Lemonade to scale: Investigate proportional relationships
239. Roofs to Scale: Investigate proportional relationships
240. Cash Count: Investigate proportional relationships
241. Weighing to scale: Investigate proportional realtionships
242. Gym Logic: Identify proportional relationships
243. Car-ry On Counting: Identify proportional relationships
244. Marking time: Investigate proportional relationships
245. Counting Sheep: Investigate proportional relationships
246. Fishy scales: Investigate proportional relationships
247. Film figures: Investigate proportional relationships
248. Coin counting: Investigate proportional relationships
249. Busted buses: Investigate proportional relationships
250. Pining for a tree: Investigate proportional relationals
251. Bug Whack: Investigate proportional relationships
252. Car-ry on counting: Identify proportional relationships
253. Nonna's tiles 1:2 = one third
254. Colour Scale: Correctly describe a proportional relationship
255. Tiles to Scale: Calculate numbers in proportional relationships
256. Patti's lemon custard pud 25:75 so ?:6
257. Patti's fruit pud 20:80 so ?:6
258. Patti's Strawberry Sauce 10:50 so ?:125
259. Patti's Apple Crumble 30:60 so ?:120
260. Cereal skills: Determine proportions from given quantities
261. Flavour Facts: Calculate proportion from a ratio
262. Two 4 three: Calculate shares according to a ratio
263. Strawberry Shares: Divide a number in a given ratio
264. Male Scale: Calculate a number in a given ratio
265. Scale of temptation: Calculate numbers in a given ratio
266. Scale Of Temptation: Calculate numbers in a given proportion
267. Go Figure That Fudge: Calculate quantities in a given proportion
268. Skip To The Scale: Calculate numbers according to a given ratio
269. Saving The Dough: Calculate a number in a given ratio
270. Reporting the facts: Calculate numbers from a proportionate relationship
271. Miss fits: Calculate quantities from a ratio
272. Team Talk: Divide a number in a given ratio
273. Patti's Party Punch 4:12 so ?:1.5
274. Cordial relations: Identify the stronger cordial mixture
275. Working class: Identify higher of two proportions
276. Working class: Identify lower of two proportions
277. Viewer votes: Lowest proportion of viewers
278. Scraps and Sprays: relative proportions
279. Air force: Determine relative proportions
280. Pass the pasta, please!: Calculate quantities in proportion
281. Frenzied Calculations: Calculate cost on a proportionate scale
282. Roses are red: Calculate in proportion to another measurement
283. Student rates: Calculate a price in proportion to another
284. In the bag: Calculate a price in proportion to another
285. Arty Facts: Calculate numbers in proportion
286. Talk counts: Dividing according to a ratio
287. Patti's Fruit Pud 160:80 so ?:6
288. Patti's Apple Crumble 30:60 so ?
289. Patti's Patty Cakes 60:15 so ?:6
290. Weekend Work: Click the lower of two proportions
291. People preferences: Click the higher proportion
292. Stacking the books: Click the higher proportion
293. Sitting on the fence: Click the lower proportion
294. Fiona figures marshmallows: Calculate a quantity in proportion
295. Hi ho! Hi ho!: Write one measurement as a fraction of another
296. Hi ho! Hi ho!: Write one measurement as a fraction of another
297. Passa piece-a pizza!: Calculate an amount in proportion to another amount
298. Patti's Steamed Fruit Pudding: Calculate quantities in proportionate relationships
299. Patti's Lemon Custard Pudding: Calculate quantities in proportional relationships
300. Patti's Patty Cakes: Calculate quantities in proportional relationships
301. Happy Birthday 3 - weeks in 6 years
302. Wal's Water Worries - 2.5L bottles in 80L barrel
303. Wal's Water Worries - 1.25L bottles in 10L barrel
304. Let's go SHOPPING!!!! - best value, price/volume
305. Let's go SHOPPING!!!! - best value, price/volume
306. Let's go SHOPPING!!!! - best value, price/volume
307. Let's go SHOPPING!!!! - best value, price/volume
308. Down At The Deli - calculate average
309. Detective Duck: Write one quantity as a percentage of another
310. Head Quarters: One half & one quarter of 98756
311. Head Quarters: One half & one quarter of 76896
312. Head Quarters: One half & one quarter of 12468
313. Head Quarters: One half & one quarter of 64324
314. Head Quarters: One half & one quarter of 124660
315. Head Quarters: One half & one quarter of 94
316. Head Quarters: One half & one quarter of 18.8
317. Head Quarters: One half & one quarter of 35
318. Head Quarters: One half & one quarter of 15.2
319. Head Quarters: One half & one quarter of 18.2