7.NS.1
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
1. | 0.1 less, 0.1 more than 82 | |
2. | 0.1 less, 0.1 more than 99 | |
3. | 0.1 less, 0.1 more than 99.9 | |
4. | Number Detectives: 2 prime numbers-sum =1 more than 8 squared | |
5. | Add board: 183*+3*0=2*60 | |
6. | Add Board: Complete vertical algorithm | |
7. | Add Board: Complete vertical algorithm | |
8. | Add Board: Complete vertical algorithm | |
9. | Add Board: Complete vertical algorithm | |
10. | Hundreds and Hundreds: Complete vertical algorithm | |
11. | Hundreds and Hundreds: Complete vertical algorithm | |
12. | Add it up: 2,969+852 | |
13. | Add it up: 3,268+852 | |
14. | Add it up: 2,959+356 | |
15. | Add it up: 5,478+852 | |
16. | Add it up: 5,478+852 | |
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. | Add It Up: Addition of 4-digit numbers with regrouping | |
23. | Add It Up: Addition of 4-digit numbers with regrouping | |
24. | Add It Up: Addition of 4-digit numbers with regrouping | |
25. | Add It Up: Addition of 4-digit numbers with regrouping | |
26. | Add It Up: Addition of 4-digit numbers with regrouping | |
27. | Add It Up: Addition of 4-digit numbers with regrouping | |
28. | Add It Up: Addition of 4-digit numbers with regrouping | |
29. | Add It Up: Addition of 4-digit numbers with regrouping | |
30. | Add It Up: Addition of 4-digit numbers with regrouping | |
31. | Add It Up: Addition of 4-digit numbers with regrouping | |
32. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
33. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
34. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
35. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
36. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
37. | Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers | |
38. | Same or different : Click all the boxes with the same answer. | |
39. | Same or different : Click all the boxes with the same answer. | |
40. | Same or different : Click all the boxes with the same answer. | |
41. | Same or different : Click all the boxes with the same answer. | |
42. | Same or different : Click all the boxes with the same answer. | |
43. | Add it up 4126+5999 | |
44. | Add it up 5672+6928 | |
45. | Add it up 2369+9872 | |
46. | Add it up 8273+7989 | |
47. | Add it up 7827+6376 | |
48. | Add these three numbers 24+45+16=? | |
49. | Add these three numbers 20+35+16=? | |
50. | Add these three numbers 45+15+14=? | |
51. | Add these three numbers 26+12+22=? | |
52. | Add these three numbers 37+13+18=? | |
53. | Number detectives: Four's no chore - Add 4 clustered numbers | |
54. | Number detectives: Four's no chore - Add 4 clustered numbers | |
55. | Number detectives: Four's no chore - Add 4 clustered numbers | |
56. | Number detectives: Four's no chore - Add 4 clustered numbers | |
57. | Number detectives: Four's no chore - Add 4 clustered numbers | |
58. | Changing numbers 2.351 add 0.3, 0.003, 0.03 | |
59. | Changing numbers 5.391 add 4, 0.004, 0.4 | |
60. | Changing numbers 4.345 add 0.004, 40, 0.04 | |
61. | Changing numbers 1.221 Add 0.7, 0.07, 7.007 | |
62. | Changing numbers 3.539 add 0.001, 1.1, 1.01 | |
63. | Same or different: Click all the boxes with the same answer | |
64. | Same or different: Click all the boxes with the same answer | |
65. | Same or different: Click all the boxes with the same answer | |
66. | Same or different: Click all the boxes with the same answer | |
67. | Same or different: Click all the boxes with the same answer | |
68. | Make 150 70+44+* | |
69. | Make 120 52+37+* | |
70. | Make 140 96+14+* | |
71. | Make 130 75+41+* | |
72. | Make 160 57+33+* | |
73. | Number detectives: Add 4 clustered tens numbers | |
74. | Number detectives: Add 4 clustered tens numbers | |
75. | Number detectives: Add 4 clustered tens numbers | |
76. | Number detectives: Add 4 clustered tens numbers | |
77. | Number detectives: Add 4 clustered tens numbers | |
78. | Scoring decimal points: Write the missing numbers in vertical decimal addition | |
79. | Scoring decimal points: Write the missing numbers in vertical decimal addition | |
80. | Scoring decimal points: Write the missing numbers in vertical decimal addition | |
81. | Scoring decimal points: Write the missing numbers in vertical decimal addition | |
82. | Scoring decimal points: Write the missing numbers in vertical decimal addition | |
83. | Hundredths crossing: Add/subtract crossing a tenths/whole number bound | |
84. | Hundredths crossing: Add/subtract crossing a tenths/whole number bound | |
85. | Hundredths crossing: Add/subtract crossing a tenths/whole number bound | |
86. | Hundredths crossing: Add/subtract crossing a tenths/whole number bound | |
87. | Hundredths crossing: Add/subtract crossing a tenths/whole number bound | |
88. | Adding the big ones: Write the missing numbers in vertical addition of large whole numbers | |
89. | Adding the big ones: Write the missing numbers in vertical addition of large whole numbers | |
90. | Adding the big ones: Write the missing numbers in vertical addition of large whole numbers | |
91. | Adding the big ones: Write the missing numbers in vertical addition of large whole numbers | |
92. | Adding the big ones: Write the missing numbers in vertical addition of large whole numbers | |
93. | Changing numbers: Addition/subtraction using negative integers | |
94. | Changing numbers: Addition/subtraction using negative integers | |
95. | Changing numbers: Addition/subtraction using negative integers | |
96. | Changing numbers: Addition/subtraction using negative integers | |
97. | Changing numbers: Addition/subtraction using negative integers | |
98. | Make 20 13+-6+* | |
99. | Make 15 3+19+* | |
100. | Make 10 8+7+* | |
101. | Make 20 8+-2+* | |
102. | Make 15 21+-6+* | |
103. | Add these three numbers: 13+-7+3 | |
104. | Add these three numbers: 9+2+-3 | |
105. | Add these three numbers: 9+8+-5 | |
106. | Add these three numbers: 16+-9+2 | |
107. | Add these three numbers: 20+-9+11 | |
108. | Number detectives: Add 4 clustered hundreds numbers | |
109. | Number detectives: Add 4 clustered hundreds numbers | |
110. | Number detectives: Add 4 clustered hundreds numbers | |
111. | Number detectives: Add 4 clustered hundreds numbers | |
112. | Number detectives: Add 4 clustered hundreds numbers | |
113. | Adding the big ones: Write missing numbers in vertical addition | |
114. | Adding the big ones: Write missing numbers in vertical addition | |
115. | Adding the big ones: Write missing numbers in vertical addition | |
116. | Adding the big ones: Write missing numbers in vertical addition | |
117. | Adding the big ones: Write missing numbers in vertical addition | |
118. | In the swim: Addition of times | |
119. | And a Partridge in a pear tree 12+11+10+9, etc | |
120. | Make 13 18+34+* | |
121. | Make -5 27+9+* | |
122. | Make 29 37+20+* | |
123. | Make -8 42+16+* | |
124. | Make 32 29+12+* | |
125. | Detective Duck: Add 4 clustered numbers | |
126. | Detective Duck: Add 4 clustered numbers | |
127. | Detective Duck: Add 4 clustered numbers | |
128. | Detective Duck: Add 4 clustered numbers | |
129. | Detective Duck: Add 4 clustered numbers | |
130. | Hundredths crossing: Addition of numbers with 2 dec places | |
131. | Hundredths crossing: Addition of numbers with 2 dec places | |
132. | Adding the big ones: Write missing numbers in vertical additions | |
133. | Adding the big ones: Write missing numbers in vertical additions | |
134. | Adding the big ones: Write missing numbers in vertical additions | |
135. | Adding the big ones: Write missing numbers in vertical additions | |
136. | Adding the big ones: Write missing numbers in vertical additions | |
137. | In the swim - Superfish v. Torpedos | |
138. | Make 29: 282 + -184 + * | |
139. | Make 180: 369 + -75 + * | |
140. | Make 126: 34+81 + * | |
141. | Make 79: 104 + -53 + * | |
142. | Make 115: -26 + 180 + * | |
143. | Add 3 numbers: 106 + 24 + -6 | |
144. | Add 3 numbers: -72 + 203 + -16 | |
145. | Add 3 numbers: -58 + -245 + 10 | |
146. | Add 3 numbers: -158 + 101 + 69 | |
147. | Add 3 numbers: -36 + -72 + 17 | |
148. | Four's no chore: Add 4 clustered numbers | |
149. | Four's no chore: Add 4 clustered numbers | |
150. | Four's no chore: Add 4 clustered numbers | |
151. | Four's no chore: Add 4 clustered numbers | |
152. | Four's no chore: Add 4 clustered numbers | |
153. | Hundredths crossing: Addition of numbers with 2 dp | |
154. | Hundredths crossing: Addition of numbers with 2 dp | |
155. | Adding the big ones: Write missing numbers in vertical addition | |
156. | Adding the big ones: Write missing numbers in vertical addition | |
157. | Adding the big ones: Write missing numbers in vertical addition | |
158. | Adding the big ones: Write missing numbers in vertical addition | |
159. | Adding the big ones: Write missing numbers in vertical addition | |
160. | Hundreds and Thousands: *5** - *90=1890 | |
161. | Jamie's Day Out - $100-$59-$27-$4-$8=$2 | |
162. | Same or different: Click all boxes with the answer 126 | |
163. | Same or different: Click all boxes with the answer 175 | |
164. | Same or different: Click all boxes with the answer 426 | |
165. | Same or different: Click all boxes with the answer 146 | |
166. | Same or different: Click all boxes with the answer 236 | |
167. | Same or different: Click all boxes with the answer 567 | |
168. | Same or different: Click all boxes with the answer 194 | |
169. | Same or different: Click all boxes with the answer 222 | |
170. | Same or different: Click all boxes with the answer 468 | |
171. | Same or different: Click all boxes with the answer 673 | |
172. | Same or different: Click all boxes with the same answer | |
173. | Same or different: Click all boxes with the same answer | |
174. | Same or different: Click all boxes with the same answer | |
175. | Same or different: Click all boxes with the same answer | |
176. | Same or different: Click all boxes with the same answer | |
177. | Spot the difference: Write the difference between 612 and 588 | |
178. | Spot the difference: Write the difference between 315 and 291 | |
179. | Spot the difference: Write the difference between 708 and 687 | |
180. | Spot the difference: Write the difference between 475 and 395 | |
181. | Spot the difference: Write the difference between 117 and 95 | |
182. | Same or Different - Click all the boxes where the answer is 84 | |
183. | Same or Different - Click all the boxes where the answer is 387 | |
184. | Same or Different - Click all the boxes where the answer is 792 | |
185. | Same or Different - Click all the boxes where the answer is 576 | |
186. | Same or Different - Click all the boxes where the answer is 264 | |
187. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
188. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
189. | Taking the Big Ones: Write the missing numbers in vertical subtractions | |
190. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
191. | Taking the Big Ones: Write the missing numbers in vertical subtractions | |
192. | Decimal Drops: Write the missing numbers in vertical decimal subtractions | |
193. | Decimal Drops: Write the missing numbers in vertical decimal subtractions | |
194. | Decimal Drops: Write the missing numbers in vertical decimal subtractions | |
195. | Decimal Drops: Write the missing numbers in vertical decimal subtractions | |
196. | Decimal Drops: Write the missing numbers in vertical decimal subtractions | |
197. | Same or different: Click all the boxes with the same answer | |
198. | Same or different: Click all the boxes with the same answer | |
199. | Same or different: Click all the boxes with the same answer | |
200. | Same or different: Click all the boxes with the same answer | |
201. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
202. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
203. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
204. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
205. | Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms | |
206. | Negatively speaking: -2 +(-4) - * = 10 | |
207. | Negatively speaking: - 4 + 5 - * = 10 | |
208. | Negatively speaking: -8 +7 - * = 10 | |
209. | Negatively speaking: -6 - 1 - * = 10 | |
210. | Negatively speaking: -16 +25 - * = 10 | |
211. | Scoring decimal points: Write missing numbers in vertical subtractions | |
212. | Scoring decimal points: Write missing numbers in vertical subtractions | |
213. | Scoring decimal points: Write missing numbers in vertical subtractions | |
214. | Subtracting big ones: Write missing numbers in vertical subtractions | |
215. | Subtracting big ones: Write missing numbers in vertical subtractions | |
216. | Subtracting big ones: Write missing numbers in vertical subtractions | |
217. | Subtracting big ones: Write missing numbers in vertical subtractions | |
218. | Subtracting big ones: Write missing numbers in vertical subtractions | |
219. | Spot the Difference: Decimal subtraction calculation 2dp | |
220. | Spot the Difference: Decimal subtraction calculation 2dp | |
221. | Spot the Difference: Decimal subtraction calculation 2dp | |
222. | Write the missing number: 20= -10, 17, ? | |
223. | Write the missing number: 20=-45, 30, ? | |
224. | Write the missing number: 20= -15, 25, ? | |
225. | Write the missing number: 20= -18, -24, ? | |
226. | Write the missing number: 20= -8, -2, ? | |
227. | Same or Different: Click all the boxes where the answer is <1 | |
228. | Same or Different: Click all the boxes where the answer is <1 | |
229. | Same or Different: Click all the boxes where the answer is <1 | |
230. | Same or Different: Click all the boxes where the answer is <1 | |
231. | Same or Different: Click all the boxes where the answer is <1 | |
232. | Put a number on the yellow box -41.5+23.7+ * =-14.4 | |
233. | Put a number on the yellow box -26.7+-15.9+ * =-17.5 | |
234. | Put a number on the yellow box -17.6+-11.9+ * =26.2 | |
235. | Put a number on the yellow box -10.5+-18.9+ * =12.8 | |
236. | Time travels: Calculate dates BC | |
237. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
238. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
239. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
240. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
241. | Take it away: Subtraction with decomposition | |
242. | Take it away: Subtraction with decomposition | |
243. | Take it away: Subtraction with decomposition | |
244. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
245. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
246. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
247. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
248. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
249. | Head Hunt - number problem | |
250. | The People On The Bus - number problem | |
251. | Al's Mass Mechanics - adding masses in kg and g, 3 decimal places | |
252. | Up and Up: 797.9+88.4=? | |
253. | Up and Up: 892.4+419.8=? | |
254. | Up and Up: 466.5+577.6=? | |
255. | Up and Up: 457.9+124.8=? | |
256. | Up and Up: 128.7+39.6=? | |
257. | Up and Up: 29.4+63.8 | |
258. | Decimal Descent: 68.4-27.6 | |
259. | Decimal Descent: 85.5-41.1 | |
260. | 10 less, 1000 more than 8 254 146 | |
261. | 1000 less, 1000 more than 6 325 478 | |
262. | 1000 less, 100 more than 2 135 698 | |
263. | 10 000 less, 100 000 more than 9 654 128 | |
264. | 1000 less, 1000 more than 6 598 696 | |
265. | 10 000 less, 1000 more than 9 630 258 | |
266. | Hundreds Takeout: 792 -*6* = 5*8 | |
267. | Hundreds Takeout: 777 - 699 = *78 | |
268. | 1,000s crossing: 6,010-5,995, 8,012-7,990, 4,023-3,998 | |
269. | 1,000s crossing: 8,016-7,991, 7,004-6,987, 9,020-8,995 | |
270. | Thousands Takeout: 61*8 - 4*2* =*219 | |
271. | Thousands Takeout: *47* - 2859 = 5**4 | |
272. | 1,000s crossing: 2,002-1,999, 9,015-8,990, 5,011-4,991 | |
273. | 1,000s crossing: 3,021-2,988, 6,017-5,996, 2,008-1,994 | |
274. | 1,000s crossing: 4,011-3,994, 5,009-4,989, 7,013-6,990 | |
275. | Give or take a thousand: 136,558+9,000 | |
276. | Give or Take 1,000: 155,000 - 4,000 = ? | |
277. | Give or take a thousand: 4,000 more than 13,468 | |
278. | Give or take a thousand: 3,000 more than 21,654 | |
279. | Give or Take Thousands: 19,000 less than 49,000 | |
280. | Sleep on it: $134-$79=$? | |
281. | 1,000s crossing: 4,020-3,990, 7,005-6,985, 3,009-2,999 | |
282. | 1,000s crossing: 2,030-1,980, 4,040-3,960, 6,010-5,970 | |
283. | 1,000s crossing: 1,050-980, 2,020-1,970, 5,070-4,990 | |
284. | Uncle Max's New Car - $7,845-$3,250 | |
285. | Thousands Takeout: Complete vertical algorithm | |
286. | Thousands Takeout: Complete vertical algorithm | |
287. | Thousands Takeout: Complete vertical algorithm | |
288. | Thousands Takeout: Complete vertical algorithm | |
289. | Shannon's Day Out - $25-$3-$11-$6-$4=$1 | |
290. | Give or Take Thousands: 155,000 - 2,000 | |
291. | Give or Take Thousands: 222,000 - 22,000 | |
292. | Give or Take Thousands: Take 39,000 from 49,000 | |
293. | Give or Take 1,000: how much more 590,000 than 290,000 | |
294. | Give or take a thousand: 7,000 more than 63,489 | |
295. | Give or take a thousand: 8,000 more than 49,735 | |
296. | Thousands Takeout: Complete vertical algorithm | |
297. | Thousands Takeout: Complete vertical algorithm | |
298. | Thousands Takeout: Complete vertical algorithm | |
299. | Thousands Takeout: Complete vertical algorithm | |
300. | Thousands Takeout: Complete vertical algorithm | |
301. | 1,000s crossing: 8,020-7,940, 4,030-3,950, 9,060-8,980 | |
302. | 1,000s crossing: 5,030-4,990, 3,010-2,950, 7,970-8,040 | |
303. | 1,000s Crossing: 6,015-5,999, 8,014-7,995, 3,024-2,990 | |
304. | Give or take a thousand: 283,557+4,000 | |
305. | Give or take a thousand: 7,000 more than 456,821 | |
306. | Give or take a thousand: Add 8,000 and 197,523 | |
307. | Give or take a thousand: Sum of 7,000 and 197,237 | |
308. | Give or take a thousand: Sum of 128,764 and 6,000 | |
309. | Give or take a thousand: 164,849 more than 7,000 | |
310. | Give or take a thousand: 345,219 greater than 7,000 | |
311. | Give or take a thousand: Sum of 349,285 and 4,000 | |
312. | Give or take a thousand: Add 319,564 to 3,000 | |
313. | Give or Take Thousands: 260,000 - 5,000 | |
314. | Give or Take 1,000: 1,280,000 - 4,000 = 1,276,000 | |
315. | Give or Take Thousands: 22,000 - 3,000 | |
316. | Give or Take Thousands: 24,000 - 6,000 | |
317. | Give or Take Thousands: 15,500 - 2,000 | |
318. | Give or Take Thousands: 12,000 - 1,200 | |
319. | Fiona's day out | |
320. | Thousands crossing: 12,009-12, 16,005-9, 25,006-15 | |
321. | Thousands crossing: 24,001-6, 27,004-10, 23,002-22,987 | |
322. | Thousands crossing: 22,002-10, 19,006-8, 41,009-15 | |
323. | Thousands crossing: 42,002-41,992, 26,013-25,287, 37,007-15 | |
324. | Give or Take a thousand | |
325. | Give or Take a thousand | |
326. | Give or Take a thousand | |
327. | Give or Take a thousand | |
328. | Give or Take a thousand | |
329. | Changing numbers: 36,925 add 10 add 1,000 add 1 | |
330. | Changing numbers: 23,615 add 1,000 add 100 add 10 | |
331. | Changing numbers: 36,052 add 1,000 add 1 add 10 | |
332. | Changing numbers: 23,855 add 100 add 1 add 10 | |
333. | Changing numbers: 36,159 add 100 add 1 add 10 | |
334. | Thousands Takeout: Write missing numbers in vertical subtraction of thousands numbers | |
335. | Thousands Takeout: Write missing numbers in vertical subtraction of thousands numbers | |
336. | Thousands Takeout: Write missing numbers in vertical subtraction of thousands numbers | |
337. | Thousands Takeout: Write missing numbers in vertical subtraction of thousands numbers | |
338. | Thousands Takeout: Write missing numbers in vertical subtraction of thousands numbers | |
339. | Lord Percibald rides in style: New price less trade-in | |
340. | Dr Dan drives on: New price less trade-in | |
341. | Mitchell moves up: New price less trade-in | |
342. | Wheeling Deal: New price less trade-in | |
343. | Uncle Bob's new car: New price less trade-in | |
344. | Give or take a thousand what is 19,369 + 3,000? | |
345. | Give or take a thousand what is 6,000 m/t 8,331? | |
346. | Give or take a thousand what is 5,000 m/t 23,669? | |
347. | Give or take a thousand Add 8,000 to 7,558 | |
348. | Give or take a thousand Add 4,000 to 2,668 | |
349. | Thousands Takeout: *34* - 2375 = 5**8 | |
350. | Thousands Takeout: 673* - **41 = 39*9 | |
351. | Thousands Takeout: *42* - 4480 = 4**5 | |
352. | The Birds and the Bears - Subtraction of measurements in inches | |
353. | Cheetin' Horses: Comparison of speeds in mph | |
354. | Having A Field Day: Money addition and subtraction | |
355. | Thirsty work: Comparison of volumes | |
356. | Thousands Takeout: 70** - *104 = 1*99 | |
357. | Thousands Takeout: *04* - 27*9 = 1*21 | |
358. | All around the garden: Addition and subtraction of distance measurements | |
359. | Give or Take a Thousand 142,301 - 6,000 = ? | |
360. | Give or Take a Thousand 335,771 - 8,000 = ? | |
361. | Give or Take a Thousand 1,524,151 - 20,000 = ? | |
362. | Give or Take a Thousand 1,348,159 - 10,000 = ? | |
363. | Give or Take a Thousand 31,486,128 - 30,000 = ? | |
364. | Give or Take a Thousand 13,221 - 8,000 = ? | |
365. | Give or Take a Thousand 12,850 - 4,000 = ? | |
366. | Give or Take a Thousand 31,280 - 3,000 = ? | |
367. | Give or Take a Thousand 25,190 - 6,000 = ? | |
368. | Give or Take a Thousand 14,820 - 7,000 = ? | |
369. | Give or Take a Thousand 193,051 - 3,000 = ? | |
370. | Give or Take a Thousand 714,320 - 5,000 = ? | |
371. | Give or Take a Thousand 685,531 - 2,000 = ? | |
372. | Give or Take a Thousand 214,990 - 5,000 = ? | |
373. | Give or Take a Thousand 33,750 - 3,000 = ? | |
374. | Give or Take 10,000 50,000+50,332 | |
375. | Give or Take 10,000 20,000 + 239,330 | |
376. | Give or Take 10,000 40,000+56,780 | |
377. | Give or Take 10,000 50,000+23,565 | |
378. | Give or Take 10,000 40,000+227,558 | |
379. | Give or Take a Hundred 562,719-500 | |
380. | Give or Take a Hundred 276,582-400 | |
381. | Give or Take a Hundred 618,395-200 | |
382. | Give or Take a Hundred 45,927-300 | |
383. | Give or Take a Hundred 75,881-700 | |
384. | Driven to the edge: 1,000-793 | |
385. | Growing pains - 1,000-126 | |
386. | Pump up the volume - 3,000-934 | |
387. | Taking stock - 1000-750 | |
388. | Thousands crossing: Add/subtract crossing a thousands bound | |
389. | Thousands crossing: Add/subtract crossing a thousands bound | |
390. | Thousands crossing: Add/subtract crossing a thousands bound | |
391. | Thousands crossing: Add/subtract crossing a thousands bound | |
392. | Thousands crossing: Add/subtract crossing a thousands bound | |
393. | Spot the difference: 3,150 - 1,500 | |
394. | Spot the difference: 8,400 - 3,500 | |
395. | Spot the difference: 2,600 - 8,700 | |
396. | Spot the difference: 9,350 - 5,450 | |
397. | Spot the difference: 5,750 - 2,550 | |
398. | Spot the difference: 6,600 - 3,650 | |
399. | Spot the difference: 4,550 - 2,150 | |
400. | Give or take a thousand: 842,908 - 74,000 | |
401. | Give or take a thousand: 13,553 - 8,000 | |
402. | Give or take a thousand: 86,215 - 7,000 | |
403. | Give or take a thousand: 120,068 - 88,068 | |
404. | Give or take a thousand: 262,141 - 245,141 | |
405. | Give or take a thousand: 182,356 - 127,356 | |
406. | Give or take a thousand: 236,401 - 195,401 | |
407. | Give or take a thousand: 106,095 - 29,000 | |
408. | Give or take a thousand: 135,001 - 34,000 | |
409. | Give or take a thousand: 257,908 - 160,000 | |
410. | Same or different: Click all the boxes with the same answer | |
411. | Plumbing the depths: Calculate in feet | |
412. | Spot the Difference: Calculate the difference between number pairs incl negative integers (1) | |
413. | Spot the Difference: Calculate the difference between number pairs incl negative integers (1) | |
414. | Spot the Difference: Calculate the difference between number pairs incl negative integers (1) | |
415. | Spot the Difference: Calculate the difference between number pairs incl negative integers (1) | |
416. | Hundredths crossing: Addition of numbers with 2 dp | |
417. | Hundredths crossing: Addition of numbers with 2 dp | |
418. | Hundredths crossing: Addition of numbers with 2 dp | |
419. | It's A Bug's Life - 17 years after 2004 | |
420. | What An Eye-Full! 1 - calculate length and convert from m to mm | |
421. | What An Eye-Full! 2 - calculate length in meters | |
422. | Al's Mass Mechanics - adding masses in kg and g, 2 decimal places | |
423. | Al's Mass Mechanics - subtracting masses, kg and g, 3 decimal places |