1. NSW Syllabus
  2. Maths
  3. Stage 4
  4. Numbers and Algebra
  5. Computing with Integers
  6. MA4-4NA
  7. Compare, order, add and subtract integers (ACMNA280)

Add and subtract integers using mental and written strategies

1. 10 000 less, 1000 more than 9 630 258
2. Add hundreds: 346 + 400, 1426 + 500, 200 + 7019
3. Adding hundreds: Multiple operations with hundreds numbers
4. Adding hundreds: Multiple operations with hundreds numbers
5. Adding hundreds: Multiple operations with hundreds numbers
6. Adding hundreds: Multiple operations with hundreds numbers
7. Number detectives: Add/subtract hundreds numbers
8. Number detectives: Add/subtract hundreds numbers
9. Number detectives: Add/subtract hundreds numbers
10. Number detectives: Add/subtract hundreds numbers
11. Number detectives: Add/subtract hundreds numbers
12. Give or take a thousand: 283 557+4000
13. Give or take a thousand: 7000 more than 456 821
14. Give or take a thousand: Add 8000 and 197 523
15. Give or take a thousand: Sum of 7000 and 197 237
16. Give or take a thousand: Sum of 128764 and 6000
17. Give or take a thousand: 164849 more than 7000
18. Give or take a thousand: 345 219 greater than 7000
19. Give or take a thousand: Sum of 349 285 and 4000
20. Give or take a thousand: Add 319 564 to 3000
21. Give or take a thousand: 7000 more than 63 489
22. Give or take a thousand: 8000 more than 49 735
23. Changing numbers: 36 159 add 100 add 1 add 10
24. Changing numbers: 23 855 add 100 add 1 add 10
25. Changing numbers: 36 052 add 1000 add 1 add 10
26. Changing numbers: 23 615 add 1000 add 100 add 10
27. Changing numbers: 36 925 add 10 add 1000 add 1
28. Use the Pattern: 43 + 39, 43 + 40, 430 + 400
29. Use the Pattern: 56 + 70, + 69, 560 + 700
30. Use the Pattern: 34 + 80, + 79, 340 + 800
31. Use the Pattern: 27 + 90, + 89, 270 + 900
32. Use the Pattern: 62 + 79, 62 + 80, 620 + 800
33. Add It Up: Addition of 4-digit numbers with regrouping
34. Add It Up: Addition of 4-digit numbers with regrouping
35. Add It Up: Addition of 4-digit numbers with regrouping
36. Add It Up: Addition of 4-digit numbers with regrouping
37. Add It Up: Addition of 4-digit numbers with regrouping
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 board: Write missing numbers in vertical addition of 2- and 3-digit numbers
44. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
45. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
46. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
47. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
48. Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
49. Use the pattern 6+7 60+70 160+170
50. Use the pattern 12+8 120+80 1200+800
51. Use the pattern 21+9 210+90 2100+900
52. Use the pattern 3+8 30+80 300+800
53. Use the pattern 16+4 160+40 1600+400
54. Number detectives Three's a breeze: 31+29+*=87
55. Number detectives Three's a breeze: 42+12+*=74
56. Number detectives Three's a breeze: 18+22+*=81
57. Number detectives Three's a breeze: 56+21+*=88
58. Number detectives Three's a breeze: 27+23+*=58
59. Same or different : Click all the boxes with the same answer.
60. Same or different : Click all the boxes with the same answer.
61. T/f Double sided eqns
62. T/f Double sided eqns
63. T/f Double sided eqns
64. T/f Double sided eqns
65. T/f Double sided eqns
66. Add it up 4126+5999
67. Add it up 5672+6928
68. Add it up 2369+9872
69. Add it up 8273+7989
70. Add it up 7827+6376
71. Adding hundreds: 695+*=959, 3492+500=*, 600m/t503=*
72. Adding hundreds: 364+*=1264, 426+600=*, 200m/t 236 =*
73. Adding hundreds 562+*=862, 658+200=*, 500m/t 352=*
74. Adding hundreds: 263+*=663, 222+500=*, 600m/t406=*
75. Adding hundreds 462+*=862, 426+300=* 800m/t169=*
76. Give or take a thousand Add 4000 to 2668
77. Give or take a thousand Add 8000 to 7558
78. Give or take a thousand what is 5000 m/t 23669?
79. Give or take a thousand what is 6000 m/t 8331?
80. Give or take a thousand what is 19369 + 3000?
81. Add these three numbers 24+45+16=?
82. Add these three numbers 20+35+16=?
83. Add these three numbers 45+15+14=?
84. Add these three numbers 26+12+22=?
85. Add these three numbers 37+13+18=?
86. Number detectives: Four's no chore - Add 4 clustered numbers
87. Number detectives: Four's no chore - Add 4 clustered numbers
88. Number detectives: Four's no chore - Add 4 clustered numbers
89. Number detectives: Four's no chore - Add 4 clustered numbers
90. Number detectives: Four's no chore - Add 4 clustered numbers
91. Same or different: Click all the boxes with the same answer
92. Same or different: Click all the boxes with the same answer
93. Same or different: Click all the boxes with the same answer
94. Same or different: Click all the boxes with the same answer
95. Same or different: Click all the boxes with the same answer
96. Make 150 70+44+*
97. Make 120 52+37+*
98. Make 140 96+14+*
99. Make 130 75+41+*
100. Make 160 57+33+*
101. T/F double sided: 56+14=35+35, etc
102. T/F double sided: 23+12=65+30, etc
103. T/F double sided: 21+80=92-42, etc
104. T/F double sided: 42+46=19+69
105. T/F double sided: 32+18=25+25
106. Give or Take 10 000 40000+227558
107. Give or Take 10 000 50 000+23 565
108. Give or Take 10 000 40 000+56 780
109. Give or Take 10 000 20 000 + 239 330
110. Give or Take 10 000 50 000+50 332
111. Number detectives: Add 4 clustered tens numbers
112. Number detectives: Add 4 clustered tens numbers
113. Number detectives: Add 4 clustered tens numbers
114. Number detectives: Add 4 clustered tens numbers
115. Number detectives: Add 4 clustered tens numbers
116. Negative Thinking 2 + * = -4
117. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
118. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
119. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
120. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
121. Adding the big ones: Write the missing numbers in vertical addition of large whole numbers
122. Changing numbers: Addition/subtraction using negative integers
123. Changing numbers: Addition/subtraction using negative integers
124. Changing numbers: Addition/subtraction using negative integers
125. Changing numbers: Addition/subtraction using negative integers
126. Changing numbers: Addition/subtraction using negative integers
127. Make 20 13+-6+*
128. Make 15 3+19+*
129. Make 10 8+7+*
130. Make 20 8+-2+*
131. Make 15 21+-6+*
132. T/F double sided eqn incl -ive #
133. T/F double sided eqn incl -ive #
134. T/F double sided eqn incl -ive #
135. T/F double sided eqn incl -ive #
136. T/F double sided eqn incl -ive #
137. Add these three numbers: 13+-7+3
138. Add these three numbers: 9+2+-3
139. Add these three numbers: 9+8+-5
140. Add these three numbers: 16+-9+2
141. Add these three numbers: 20+-9+11
142. Number detectives: Add 4 clustered hundreds numbers
143. Number detectives: Add 4 clustered hundreds numbers
144. Number detectives: Add 4 clustered hundreds numbers
145. Number detectives: Add 4 clustered hundreds numbers
146. Number detectives: Add 4 clustered hundreds numbers
147. Adding the big ones: Write missing numbers in vertical addition
148. Adding the big ones: Write missing numbers in vertical addition
149. Adding the big ones: Write missing numbers in vertical addition
150. Adding the big ones: Write missing numbers in vertical addition
151. Adding the big ones: Write missing numbers in vertical addition
152. And a Partridge in a pear tree 12+11+10+9, etc
153. Make 13 18+34+*
154. Make -5 27+9+*
155. Make 29 37+20+*
156. Make -8 42+16+*
157. Make 32 29+12+*
158. T/F Double-sided equations
159. T/F Double-sided equations
160. T/F Double-sided equations
161. T/F Double-sided equations
162. T/F Double-sided equations
163. Add these three numbers 84+-11+-16
164. Add these three numbers -19+55+-26
165. Add these three numbers -17+-28+34
166. Add these three numbers -41+-35+47
167. Add these three numbers 46+13+14
168. Detective Duck: Add 4 clustered numbers
169. Detective Duck: Add 4 clustered numbers
170. Detective Duck: Add 4 clustered numbers
171. Detective Duck: Add 4 clustered numbers
172. Detective Duck: Add 4 clustered numbers
173. Adding the big ones: Write missing numbers in vertical additions
174. Adding the big ones: Write missing numbers in vertical additions
175. Adding the big ones: Write missing numbers in vertical additions
176. Adding the big ones: Write missing numbers in vertical additions
177. Adding the big ones: Write missing numbers in vertical additions
178. Make 29: 282 + -184 + *
179. Make 180: 369 + -75 + *
180. Make 126: 34+81 + *
181. Make 79: 104 + -53 + *
182. Make 115: -26 + 180 + *
183. Add 3 numbers: 106 + 24 + -6
184. Add 3 numbers: -72 + 203 + -16
185. Add 3 numbers: -58 + -245 + 10
186. Add 3 numbers: -158 + 101 + 69
187. Add 3 numbers: -36 + -72 + 17
188. Four's no chore: Add 4 clustered numbers
189. Four's no chore: Add 4 clustered numbers
190. Adding the big ones: Write missing numbers in vertical addition
191. Adding the big ones: Write missing numbers in vertical addition
192. Adding the big ones: Write missing numbers in vertical addition
193. Adding the big ones: Write missing numbers in vertical addition
194. Adding the big ones: Write missing numbers in vertical addition
195. Take Tens 541-60=481,924-90=834
196. Take Tens 874-80=481,219-20=199
197. Take Tens 603-10=593,128-50=78
198. Take Tens 459-70=389,816-40=776
199. Take Tens 352-70=282,715-30=685
200. Give or Take Thousands: 260 000 - 5000
201. Give or Take 1000: 1280000 - 4000 = 1276000
202. Give or Take Thousands: 22 000 - 3000
203. Give or Take Thousands: 24 000 - 6000
204. Give or Take Thousands: 15 500 - 2000
205. Give or Take Thousands: 12 000 - 1200
206. 1000s crossing: 5030-4990, 3010-2950, 7970-8040
207. 1000s crossing: 8020-7940, 4030-3950, 9060-8980
208. 1000s Crossing: 6015-5999, 8014-7995, 3024-2990
209. True or False?: 107 - 68 = 41
210. Same or different: Click all boxes with the answer 126
211. Same or different: Click all boxes with the answer 175
212. Same or different: Click all boxes with the answer 426
213. Same or different: Click all boxes with the answer 146
214. Same or different: Click all boxes with the answer 236
215. Same or different: Click all boxes with the answer 567
216. Same or different: Click all boxes with the answer 194
217. Same or different: Click all boxes with the answer 222
218. Same or different: Click all boxes with the answer 468
219. Same or different: Click all boxes with the answer 673
220. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
221. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
222. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
223. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
224. Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
225. Take Hundreds:4421-?=3921,9365-500=?,5350-500=?
226. Take Hundreds:48801-?=4840, 66150-300=?, 45685-700=?
227. Take Hundreds:46250-?=45850, 69358-500= ?, 7419-600=?
228. Take Hundreds:47210-?=46510,53296-800=?, 45258-400=?
229. Take Hundreds: 42159-?=41859, 22014-500=?, 71119-600=?
230. 50s Get Together: 1000 - ? = 750
231. 50s Get Together: 1000 - 850 =*
232. 50s Get Together: 4250 - 650 =*
233. 50s Get Together: * + 550 = 1000
234. 50s Get Together: 550 + ? = 1000
235. Give or Take a thousand
236. Give or Take a thousand
237. Give or Take a thousand
238. Give or Take a thousand
239. Give or Take a thousand
240. Thousands crossing: 12009-12, 16005-9, 25006-15,
241. Thousands crossing: 24001-6, 27004-10, 23002-22987
242. Thousands crossing: 22002-10, 19006-8, 41009-15
243. Thousands crossing: 42002-41992, 26013-25287, 37007-15
244. Uncle Bob's new car: New price less trade-in
245. Wheeling Deal: New price less trade-in
246. Mitchell moves up: New price less trade-in
247. Dr Dan drives on: New price less trade-in
248. Lord Percibald rides in style: New price less trade-in
249. True or False?: 118 - 25 = 243 - 150
250. True or False?: 251 - 56 = 193 - 50
251. True or False?: 431 - 62 = 627 - 258
252. True or False?: 285 - 96 = 322 - 286
253. True or False?: 721 - 42 = 930 - 251
254. Same or different: Click all boxes with the same answer
255. Same or different: Click all boxes with the same answer
256. Same or different: Click all boxes with the same answer
257. Same or different: Click all boxes with the same answer
258. Same or different: Click all boxes with the same answer
259. Thousands Takeaway: *42* - 4480 = 4**5
260. Thousands Takeaway: 673* - **41 = 39*9
261. Thousands Takeaway: *34* - 2375 = 5**8
262. Thousands Takeaway: 70** - *104 = 1*99
263. Thousands Takeaway: *04* - 27*9 = 1*21
264. 50s get together: 4000 - ? = 750
265. 50s get together: 6000 - ? = 650
266. 50s get together: 2000 - ? = 150
267. 50s get together: 1000 - 650 = ?
268. 50s get together: 1000 - 450 = ?
269. 50s get together: 8000 - 450 = ?
270. 50s get together: ? - 150 = 1850
271. 50s get together: ? - 350 = 6650
272. 50s get together: ? - 850 = 4150
273. 50s get together: ? - 5350 = 650
274. Give or Take a Thousand 193051 - 3000 = ?
275. Give or Take a Thousand 714320 - 5000 = ?
276. Give or Take a Thousand 685531 - 2000 = ?
277. Give or Take a Thousand 214990 - 5000 = ?
278. Give or Take a Thousand 33750 - 3000 = ?
279. Give or Take a Thousand 142301 - 6000 = ?
280. Give or Take a Thousand 335771 - 8000 = ?
281. Give or Take a Thousand 1524151 - 20000 = ?
282. Give or Take a Thousand 1348159 - 10000 = ?
283. Give or Take a Thousand 31486128 - 30000 = ?
284. Give or Take a Thousand 13221 - 8000 = ?
285. Give or Take a Thousand 12850 - 4000 = ?
286. Give or Take a Thousand 31280 - 3000 = ?
287. Give or Take a Thousand 25190 - 6000 = ?
288. Give or Take a Thousand 14820 - 7000 = ?
289. Golden Oldies: Age difference
290. Fete accomplished: Money addition and subtraction
291. Spot the difference: Write the difference between 612 and 588
292. Spot the difference: Write the difference between 315 and 291
293. Spot the difference: Write the difference between 708 and 687
294. Spot the difference: Write the difference between 475 and 395
295. Spot the difference: Write the difference between 117 and 95
296. True or False: 456-78=379
297. True or False: 631-82=549
298. True or False: 297=342-45
299. True or False: 186=237-52
300. True or False: 746-53=693
301. Same or Different - Click all the boxes where the answer is 84
302. Same or Different - Click all the boxes where the answer is 387
303. Same or Different - Click all the boxes where the answer is 792
304. Same or Different - Click all the boxes where the answer is 576
305. Same or Different - Click all the boxes where the answer is 264
306. Complementary add/sub: 8236-547=7689
307. Complementary add/sub: 2815-492=2323
308. Complementary add/sub: 5730-166=5564
309. Complementary add/sub: 1073-561=512
310. Complementary add/sub: 6923-784=6139
311. Give or Take a Hundred 562719-500
312. Give or Take a Hundred 276582-400
313. Give or Take a Hundred 618395-200
314. Give or Take a Hundred 45927-300
315. Give or Take a Hundred 75881-700
316. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
317. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
318. Taking the Big Ones: Write the missing numbers in vertical subtractions
319. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
320. Taking the Big Ones: Write the missing numbers in vertical subtractions
321. Driven to the edge: 1000-793
322. Growing pains - 1000-126
323. Pump up the volume - 3000-934
324. Taking stock - 1000-750
325. Thousands crossing: Add/subtract crossing a thousands bound
326. Thousands crossing: Add/subtract crossing a thousands bound
327. Thousands crossing: Add/subtract crossing a thousands bound
328. Thousands crossing: Add/subtract crossing a thousands bound
329. Thousands crossing: Add/subtract crossing a thousands bound
330. True or false 153 - 72 = 225
331. True or false 180 - 25 = 215
332. True or false 60 - 120 = -60
333. True or false 420 - (-85) =515
334. True or false 120 - 250 = -130
335. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
336. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
337. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
338. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
339. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
340. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
341. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
342. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
343. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
344. N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100
345. Same or different: Click all the boxes with the same answer
346. Same or different: Click all the boxes with the same answer
347. Same or different: Click all the boxes with the same answer
348. Same or different: Click all the boxes with the same answer
349. Same or different: Click all the boxes with the same answer
350. Give or take a thousand: 257908 - 160000
351. Give or take a thousand: 135001 - 34000
352. Give or take a thousand: 106095 - 29000
353. Give or take a thousand: 236401 - 195401
354. Give or take a thousand: 182356 - 127356
355. Give or take a thousand: 262141 - 245141
356. Give or take a thousand: 120068 - 88068
357. Give or take a thousand: 86215 - 7000
358. Give or take a thousand: 13553 - 8000
359. Give or take a thousand: 842908 - 74000
360. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
361. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
362. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
363. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
364. Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms
365. Spot the difference: 4550 - 2150
366. Spot the difference: 6600 - 3650
367. Spot the difference: 5750 - 2550
368. Spot the difference: 9350 - 5450
369. Spot the difference: 2600 - 8700
370. Spot the difference: 8400 - 3500
371. Spot the difference: 3150 - 1500
372. Negatively speaking: -2 +(-4) - * = 10
373. Negatively speaking: - 4 + 5 - * = 10
374. Negatively speaking: -8 +7 - * = 10
375. Negatively speaking: -6 - 1 - * = 10
376. Negatively speaking: -16 +25 - * = 10
377. True/false: 128-64=145-81
378. True/false: 154-72=172-90
379. True/false: 136-61=125-50
380. True/false: 143-76=131-65
381. True/false: 154-94=121-51
382. N/D Find the mystery negative!: Subtraction with single-digit negative integers
383. N/D Find the mystery negative!: Subtraction with single-digit negative integers
384. N/D Find the mystery negative!: Subtraction with single-digit negative integers
385. N/D Find the mystery negative!: Subtraction with single-digit negative integers
386. N/D Find the mystery negative!: Subtraction with single-digit negative integers
387. N/D Find the mystery negative!: Subtraction with single-digit negative integers
388. N/D Find the mystery negative!: Subtraction with single-digit negative integers
389. N/D Find the mystery negative!: Subtraction with single-digit negative integers
390. N/D Find the mystery negative!: Subtraction with single-digit negative integers
391. N/D Find the mystery negative!: Subtraction with single-digit negative integers
392. N/D Find the mystery negative!: Subtraction with single-digit negative integers
393. N/D Find the mystery negative!: Subtraction with single-digit negative integers
394. Subtracting big ones: Write missing numbers in vertical subtractions
395. Subtracting big ones: Write missing numbers in vertical subtractions
396. Subtracting big ones: Write missing numbers in vertical subtractions
397. Subtracting big ones: Write missing numbers in vertical subtractions
398. Subtracting big ones: Write missing numbers in vertical subtractions
399. Lord Percibald improves: Money calculations
400. Write the missing number: 20= -10, 17, ?
401. Write the missing number: 20=-45, 30, ?
402. Write the missing number: 20= -15, 25, ?
403. Write the missing number: 20= -18, -24, ?
404. Write the missing number: 20= -8, -2, ?
405. T/F 8745-3690=5055
406. T/F 4917-2380=2637
407. Find the Mystery Number 176- * =-190
408. Find the Mystery Number 384- * =407
409. Find the Mystery Number -769- * =-732
410. Find the Mystery Number 245- * =263
411. T/F 418-384=22+12
412. T/F 568-519=23+26
413. T/F 882-831=36+16
414. T/F 19+14=278-245
415. Time travels: Calculate dates BC
416. Spot the Difference: Calculate the difference between number pairs incl negative integers
417. Spot the Difference: Calculate the difference between number pairs incl negative integers
418. Spot the Difference: Calculate the difference between number pairs incl negative integers
419. Spot the Difference: Calculate the difference between number pairs incl negative integers
420. Spot the Difference: Calculate the difference between number pairs incl negative integers
421. Spot the Difference: Calculate the difference between number pairs incl negative integers
422. Spot the Difference: Calculate the difference between number pairs incl negative integers
423. Spot the Difference: Calculate the difference between number pairs incl negative integers
424. Take it away: Subtraction with decomposition
425. Take it away: Subtraction with decomposition
426. Take it away: Subtraction with decomposition
427. Water watch: Volume multiplication and subtraction
428. Health times: Multiplication of liquid measurements
429. Bus Times: Multiply distances
430. Number Quest - complete number sentence
431. Mega-sum-a-saurus - complete missing digits to make number sentence
432. Mega-sum-a-saurus - complete missing digits to make number sentence
433. Mega-sum-a-saurus - complete missing digits to make number sentence
434. Mega-sum-a-saurus - complete missing digits to make number sentence
435. Mega-sum-a-saurus - complete missing digits to make number sentence
436. Astro Al's Arithmagon - triangle number puzzle
437. Enid the Elephant's Equations - equivalent to 9 + 5
438. Enid the Elephant's Equations - equivalent to 8 + 7
439. Mega-sum-a-saurus - complete missing digits to make number sentence
440. Mega-sum-a-saurus - complete missing digits to make number sentence
441. Here Comes The Bride... - find sum of sequence
442. Too Much Information! - identify unnecessary information
443. Too Much Information! - identify unnecessary information
444. Natural Numbers - sum of 1st 13 Fibonacci numbers
445. Natural Numbers - sum of 1st 16 Fibonacci numbers
446. Out of Phase 1 - number of days between given dates
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