1. Common Core State Standards
  2. Math
  3. Content
  4. Grade 4
  5. Number And Operations In Base Ten2
  6. Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.

4.NBT.4

Fluently add and subtract multi-digit whole numbers using the standard algorithm.

1. Adding tens: 24 + ? = 64, 24 + 50 = ?
2. Adding tens: 57 + ? = 97, 57 + 20 = ?
3. Number detectives: 25+?, 35+?, 55+? =100
4. Number detectives: 5+?, 45+?, 15+?=100
5. 100 Zone: 70 + 40 = ? 90 + ? = 110, ? + 80 = 110
6. 100 Zone: 60 + 80 = ? 90 + ? = 140, ? + 100 = 140
7. 100 Zone: 70 + 80 = ? 100 + ? = 150, ? + 70 = 150
8. 100 Zone: 90 + 70 = ? 80 + ? = 160, ? + 60 = 160
9. Add it up: 58+34
10. Number detectives 485+*= 493
11. Number detectives 515+*= 523
12. Add It Up: Addition with regrouping 15+28
13. Add It Up: Addition with regrouping 29+16
14. Add It Up: Addition with regrouping 22+29
15. Add It Up: Addition with regrouping 54+28
16. Add It Up: Addition with regrouping 67+27
17. Number Detectives: 100 Pairs ? + 79 = 100
18. Number Detectives: 100 Pairs ? + 51 = 100
19. Number Detectives: 100 Pairs 63 + 37 = ?
20. Number Detectives: 100 Pairs 88 + ? = 100
21. Use the pattern: 4+9, 40+90, 400+900
22. On the Board 45 + 3* = *7
23. On the Board 3* + *5 = 98
24. On the Board 4* + 42 = *9
25. On the Board 3* + 62 = *6
26. On the Board 8* + *6 = 98
27. Make 400: 200+100+?
28. Make 500: 100+200+?
29. Make 600: 50+550+?
30. Make 700: 350+125+?
31. Make 800: 125+225+?
32. Make 900: 275+375+?
33. On the Board 63 + 32 = **
34. On the Board 33 + *5 = 7*
35. On the Board 63 + 17 = **
36. Add Hundreds: 600+ * = 946
37. Add Hundreds: 200+ * = 580
38. Add Hundreds: 400+ * = 963
39. Add Hundreds: 100+ * = 319
40. Add Hundreds: 300+ * = 565
41. Add Hundreds: 500+246
42. Add Hundreds: 300+453
43. Add Hundreds: 800+163
44. Add Hundreds: * + 300 = 330
45. Add Hundreds: * + 200 = 241
46. Add Hundreds: * + 800 = 819
47. Add Hundreds: * + 300 = 345
48. Add Hundreds: * + 200 = 295
49. The Nine Family: 53 + 9, + 19 + 29
50. The Nine Family: 47 + 9, + 19 + 29
51. The Nine Family: 38 + 9, + 19 + 29
52. The Nine Family: 55 + 9, + 19, + 29
53. The Nine Family: 42 + 9, + 19, + 29
54. Add It Up: Addition with regrouping 63 + 27
55. Add It Up: Addition with regrouping 34 + 57
56. Add It Up: Addition with regrouping 34 + 57
57. Add It Up: Addition with regrouping 55 + 25
58. Add It Up: Addition with regrouping 28 + 43
59. Mystery number: ?+7=252
60. Mystery number: ?+6=174
61. Mystery number: ?+7=451
62. Mystery number: ?+6=512
63. Mystery number: ?+6+163
64. Mystery number: 106+11=?
65. Mystery number: 514+12=?
66. Mystery number: 913+13=?
67. Mystery number: 711+17=?
68. Mystery number: 133+16=?
69. Mystery number: 157+?=163
70. Mystery number: 133+?=146
71. Mystery number: 212+?=224
72. Mystery number: 106+?=118
73. Mystery number: 106+?=118
74. Use the pattern: 3+8,30+80, 300+800=?
75. Same or different:44-8,14+23,22+18,19+17,54-18
76. Same or different:43-7,21+17,13+22,18+16,53-17
77. On the Board: *24 + 92= 6**
78. On the Board: **1 + 38= 30*
79. On the Board: *4*+*6=569
80. On the Board: 81*+*6=*09
81. On the Board: *52+10*=3*8
82. On the Board: *8*+91=*78
83. On the Board: 7**+102=*97
84. On the Board: *46+*2=43*
85. On the Board: 53*+*2=*29
86. On the Board: *6*+73=5*6
87. On the Board: 6*+*2=100
88. On the Board: *6+2*=100
89. On the Board: 4*+*7=100
90. On the Board: *4+7*=100
91. On the Board: *4+3*=100
92. Adding Tens: 142+?=182
93. Adding Tens: 30+?=574
94. Adding Tens: 235+50 =?
95. Adding Tens: 338+50=?
96. Adding Tens: 562+30=?
97. Adding Tens: ?+30=492
98. 100 zone: 796+7,794+8,799+6
99. 100 zone: 593+7,594+8,596+5
100. 100 zone: 693+9,695+8,697+7
101. 100 zone: 392+6,393+7,392+8
102. 100 zone: 196+9,194+7,197+5
103. Complem. add/subtract: 136+419=555
104. Complem. add/subtract: 216+84=300
105. Complem. add/subtract: 112+32=144
106. Complem. add/subtract: 125+14=139
107. Complem. add/subtract: 105+24=129
108. Complem. add/subtract: 210+14=224
109. Add it up: Addition with regrouping 863+59
110. Add it up: Addition with regrouping 769+45
111. Add it up: Addition with regrouping 347+56
112. Add it up: Addition with regrouping 777+58
113. Add it up: Addition with regrouping 723+89
114. True or False?: 47+15=65
115. True or False?: 38+14=52
116. True or False?: 56+17=73
117. True or False?: 29+12=46
118. True or False?: 55+17=72
119. Number detectives: 102+98=?
120. Number detectives: 348+103=?
121. Number detectives: 56+92=?
122. Number detectives: 156+104=?
123. Number detectives: 201+99=?
124. Same or Different: Answer 62
125. Same or Different: Answer 58
126. Same or Different: Answer 44
127. Same or Different: Answer 66
128. Same or Different: Answer 73
129. Hundreds and hundreds: 42?+3?8=79?
130. Hundreds and hundreds: 657+173=830
131. Hundreds and hundreds: ?64+5?9=90?
132. Hundreds and hundreds: 6?8+157=?2?
133. Hundreds and hundreds: 17?+?23=2?7
134. Hundreds and hundreds: 364+235=?
135. Number detectives: 30+?, 20+?, 10+?=100
136. Number detectives: 82+?, 24+?, 76+?=100
137. Number detectives: 89+?, 21+?, 59+?=100
138. Addition chains 10 multiples
139. Addition chains 10 multiples
140. Addition chains 10 multiples
141. Addition chains 10 multiples
142. Addition chains 10 multiples
143. 100 zone: 295+8=?, 798+?=804, ?+9=405
144. 100 zone: 294+8=?, 396+?=401, ?+4=705
145. 100 zone: 295+9=?, 596+?=602, ?+8=201
146. 100 zone: 399+5=?, 895+7=902, ?+6=503
147. 100 zone: 698+6=704, 292+?=301, ?+8=503
148. Comp. pairs add/subtract: 678+156=834
149. Comp. pairs add/subtract: 246+357=603
150. Comp. pairs add/subtract: 545+328=873
151. Comp. pairs add/subtract: 488+323=811
152. Comp. pairs add/subtract: 493+257=750
153. Add it up: Addition with regrouping 314+428
154. Add it up: Addition with regrouping 628+347
155. Add it up: Addition with regrouping 249+344
156. Add it up: Addition with regrouping 638+143
157. Add it up: Addition with regrouping 773+219
158. Add it up: Addition with regrouping 315+27
159. Add it up: Addition with regrouping 259+28
160. Add it up: Addition with regrouping 437+44
161. Add it up: Addition with regrouping 673+19
162. Add it up: Addition with regrouping 536+38
163. Hundreds and hundreds: 597+600=?
164. Hundreds and hundreds: Complete vertical hundreds addition
165. Hundreds and hundreds: Complete vertical hundreds addition
166. Hundreds and hundreds: 643+600=?
167. Hundreds and hundreds: 756+800=?
168. 100 zone: *+95=500 365+*=400 625+75=*
169. 100 zone: *+185=200 655+*=700 335+65=*
170. 100 zone: *+25=300 445+*=500 895+5=*
171. 100 zone: *+45=400 165+*=200 725+75=*
172. 100 zone: *+85=700 405+*=500 375+25=*
173. True or False?: 36+49=85
174. True or False?: 62+29=81
175. True or False?: 12+8=17+4
176. True or False?: 63+8=65+6
177. True or False?: 11+8=13+7
178. True or False?: 26+7=29+4
179. True or False?: 37+8=39+7
180. Same or different: Click all the boxes with the same answer.
181. Same or different: Click all the boxes with the same answer.
182. Same or different: Click all the boxes with the same answer.
183. Same or different: Click all the boxes with the same answer.
184. Same or different: Click all the boxes with the same answer.
185. True or False?: 26+46=72 13+29=44 62+18=80 38+25=53
186. True or False?: 27+18=45 32+39=49 49+27=76 57+26=83
187. True or False?: 19+49=58 48+33=81 24+37=62 64+28=90
188. Number Detectives: Mystery Teens
189. Number Detectives: Mystery Teens
190. Number Detectives: Mystery Teens
191. Number Detectives: Mystery Teens
192. Number Detectives: Mystery Teens
193. 100 Zone: 180+30, 270+50, 40+330
194. 100 Zone: 568+30, 623+20, 60+480
195. 100 Zone: 372+20, 638+50, 110+40
196. 100 Zone: 263+20, 390+30, 70+680
197. 100 Zone: 890+50, 329+30, 50+440
198. Complementary pairs: 347+454=801
199. Complementary pairs: 482+395=877
200. Complementary pairs: 278+596=874
201. Complementary pairs: 532+209=741
202. Complementary pairs: 627+277=904
203. Add it up: 347+454
204. Add it up: 627+277
205. Add it up: 583+228
206. Add it up: 509+199
207. Add it up: 341+189
208. Add it up: 1288+252
209. Add it up: 2273+339
210. Add it up: 6082+889
211. Add it up: 5346+369
212. Add it up: 7239+697
213. Add board: 140*+8*0=*229
214. Add board: *7*0+458=2*5*
215. Add board: 15*5+60*=2*55
216. Add board: 1*88+4*0=*10*
217. Adding Hundreds 136+*=536 566+200=* 300m/t264=*
218. Adding Hundreds 532+*=732 328+500=* 600m/t119=*
219. Adding 105 254+*=250 421+105=* 105m/t101=*
220. Hundreds to Add - 562+*=667 263+105=* 105m/t714=*
221. Hundreds to Add - 365+*=470 532=105=637 105m/t283=*
222. Add Board: Complete vertical algorithm
223. Hundreds and Hundreds: Complete vertical algorithm
224. Hundreds and Hundreds: Complete vertical algorithm
225. Hundreds and Hundreds: Complete vertical algorithm
226. True or False? Click all the number sentences that are true.
227. True or False? Click all the number sentences that are true.
228. True or False? Click all the number sentences that are true.
229. True or False? Click all the number sentences that are true.
230. True or False? Click all the number sentences that are true.
231. Add these 3 numbers: 80 + 70 + 40
232. Add these 3 numbers: 90 + 60 + 30
233. Add these 3 numbers: 40 + 70 + 20
234. Add these 3 numbers: 30 + 20 + 90
235. Add these 3 numbers: 70 + 90 + 10
236. True or False? 10-7=20-7
237. True or False? 15-2=2-15
238. True or False? 10-2=11-3
239. True or False? 9-5=8-4
240. Take it away: Subtraction with decomposition 63-9
241. Take it away: Subtraction with decomposition 51-5
242. Take it away: Subtraction with decomposition 34-8
243. Take it away: Subtraction with decomposition 41-6
244. Take it away: Subtraction with decomposition 63-9
245. Take it away: Subtraction with decomposition 45-7
246. Take it away: Subtraction with decomposition 56-9
247. Take it away: Subtraction with decomposition 45-9
248. True or False?: 12 - 2 = 15 - 5
249. True or False?: 28 - 8 = 30 - 10
250. True or False?: 25 - 5 = 25 - 5
251. True or False?: 15 - 5 = 30 - 20
252. True or False?: 30 - 5 = 28 - 3
253. Take it away: Subtraction with decomposition 52 - 36
254. Take it away: Subtraction with decomposition 43 - 26
255. Take it away: Subtraction with decomposition 46 - 28
256. Take it away: Subtraction with decomposition 71 - 52
257. Eleven family: Subtract 1, 11 & 21 from 5
258. Eleven family: Subtract 1, 11 & 41 from 85
259. Eleven family: Subtract 1, 11 & 31 from 77
260. Eleven family: Subtract 1, 11 & 21 from 68
261. Eleven family: Subtract 1, 11 & 71 from 96
262. Changing Numbers 84 to 63
263. Changing Numbers 100 to 44
264. Changing Numbers 40 to 24
265. Changing Numbers 124 to 98
266. True or False: 200 - 28 = 172
267. True or False: 30 + 16 - 4 = 44
268. True or False: 30 + 16 - 4 = 42
269. True or False: 30 + 16 - 4 = 46
270. Subtracting tens: 86 - ? = 56
271. Subtracting tens: 94 - ? = 24
272. Changing numbers 683-554
273. Changing numbers 257-138
274. Changing numbers 884-763
275. Changing numbers 576-557
276. Changing numbers 794-683
277. Changing numbers 461-432
278. The Mysteries of 50! 50-35,12,6
279. The Mysteries of 50! 50-16,21,30
280. Take Tens: 67-?=47,430-70=?
281. Take Tens: 71-?=21,250-30=?
282. Take Tens: 66-?=36,360-80=?
283. Take Tens: 94-?=54,740-20=?
284. Take Tens: 89-?=19,460-50=?
285. Take Tens: 86-?=26,170-40=?
286. Take Tens: 45-?=35,580-90=?
287. Take Tens: 62-?=22,880-50=?
288. Take Tens: 73-?=53,630-90=?
289. Take Tens: 98-?=18,920-60=?
290. Complem. add/subtract: 652-547=105
291. Complem. add/subtract: 845-69=776
292. Complem. add/subtract: 492-116=376
293. Complem. add/subtract: 831-88=743
294. Complem. add/subtract: 634-97=537
295. Complem. add/subtract: 263-84=179
296. Complem. add/subtract: 751-47=704
297. Complem. add/subtract: 397-59=338
298. Take it away 352-18=334
299. Take it away 154-36=118
300. Take it away 763-57=706
301. Take it away 681-29=652
302. Take it away 472-46=426
303. Same or Different: Answer 42
304. Same or Different: Answer 50
305. Same or Different: Answer 85
306. Same or Different: Answer 76
307. Same or Different: Answer 24
308. Same or Different: Answer 60
309. Same or Different: Answer 32
310. Same or Different: Answer 45
311. Same or Different: Answer 21
312. Same or Different: Answer 55
313. Mysteries of 100!: 100-?=77, 100-?=60, 100-?=88
314. Mysteries of 100!: 100-?=45, 100-?=28, 100-?=66
315. Mysteries of 100!: 100-?=40, 100-?=75, 100-?=62
316. Mysteries of 100!: 100-?=19, 100-?=80, 100-?=69
317. Mysteries of 100!: 100-?=76, 100-?=65, 100-?=54
318. Subtraction chains: 87-14-13-15, 98-17-11-6
319. Subtraction chains: 79-14-15-12, 68-17-20-11
320. Subtraction chains: 76-13-12-11, 92-20-12-14
321. Subtraction chains: 94-20-14-11, 65-15-25-15
322. 100 zone: 600-3, 400-5, 200-7
323. 100 zone: 900-9, 700-7, 500-5
324. 100 zone: 700-2, 300-4, 100-6
325. 100 zone: 400-6, 300-4, 200-2
326. 100 zone: 800-8, 600-6, 400-4
327. Take it away: Subtraction with decomposition 791-338
328. Take it away: Subtraction with decomposition 874-258
329. Take it away: Subtraction with decomposition 362-139=?
330. Take it away: Subtraction with decomposition 984-427=?
331. Take it away: Subtraction with decomposition 653-137=?
332. True or False?: 15-9=11-7
333. True or False?: 12-8=11-7
334. True or False?: 25-4=26-2
335. True or False?: 99-66=44-11
336. True or False?: 73-3=93-20
337. True or False?: 44-4=60-20
338. True or False?: 50-5=90-45
339. True or False?: 36-7=20-8
340. True or False?: 35-15=40-20
341. True or False?: 80-60=44-24
342. Mysteries of 50!: 50-?=46, 36, 26
343. Mysteries of 60!: 60-?=35, 30, 45
344. Mysteries of 60!: 60-?=40, 30, 20
345. Mysteries of 60!: 60-?=32, 28, 16
346. Mysteries of 50!: 50-?=17, 28, 39
347. Mysteries of 50!: 50-?=33, 8, 24
348. Mysteries of 50!: 50-?=34, 25, 14
349. Mysteries of 70!: 70-?=44, 38, 29
350. Mysteries of 70!: 70-?=58, 33, 9
351. Mysteries of 70!: 70-?=28, 35, 43
352. Subtraction Chains
353. Subtraction Chains
354. Subtraction Chains
355. Subtraction Chains
356. Subtraction Chains
357. Subtraction Chains
358. Subtraction Chains
359. Subtraction Chains
360. Subtraction Chains
361. Subtraction Chains
362. Hundreds and Thousands: 1643 - 788 = *55
363. Hundreds and Thousands: *782 - *3* = 18*6
364. 100 zone: 105-15, 306-8, 109-10
365. 100 zone: 304-7, 400-15, 401-5
366. 100 zone: 400-6, 400-9, 400-11
367. 100 zone: 402-5, 312-15, 314-15
368. 100 zone: 108-9, 111-12, 106-7
369. Take it away: 422 - 114 = ?
370. Take it away: 650 - 322 = ?
371. Take it away: 456 - 245 = ?
372. Take it away: 763 - 335 = ?
373. Take it away: 389 - 147 = ?
374. Same or different: Click all the boxes with the same answer.
375. Same or different: Click all the boxes with the same answer.
376. Same or different: Click all the boxes with the same answer.
377. Same or different: Click all the boxes with the same answer.
378. Same or different: Click all the boxes with the same answer.
379. Subtraction Chains
380. Subtraction Chains
381. Subtraction Chains
382. Subtraction Chains
383. Take it away 271-138
384. Take it away 692-459
385. Take it away 942-513
386. Take it away 794-387
387. Take it away 583-228
388. Sum In A Circle - numbers in each groups total 15
389. Which Operation? - 95*5=90
390. All Things Equal - equivalent to 7 + 7
391. Sum In A Circle - numbers in each group total 15
392. Which Operation? - 63*28 = 91
393. Build A Total - number sequence, 45
394. Build A Total - number sequence, 30
395. Pick a Number 2 - organise data
396. The Chicken Story: seventy-seven + twelve
397. The Chicken Story: thirty-nine + twelve
398. The Chicken Story: thirty-six + fourteen
399. The Chicken Story: forty-one + seventeen
400. The Chicken Story: thirteen + nineteen
401. 1000 less, 1000 more than 4215
402. 1000 less, 1000 more than 3690
403. 1000 less, 1000 more than 1001
404. 1000 less, 1000 more than 4035
405. 10 less, 100 more than 4508
406. 100 less, 10 more than 6577
407. 100 less, 1000 more than 2231
408. 100 less, 100 more than 7323
409. 1000 less, 1 more than 7999
410. 100 less, 100 more than 4900
411. 10 less, 10 more than 5990
412. 1000 less, 1000 more than 1900
413. 100 less, 1 more than 5999
414. 1000 less, 1 more than 8799
415. 100 less, 1000 more than 5000
416. Changing Numbers - 2458 to 2558
417. 1 less, 1000 more than 8000
418. 1000 less, 100 more than 6995
419. 100 less, 1000 more than 1795
420. 1000 less, 100 more than 1000
421. 1000 less, 100 more than 4035
422. Changing Numbers - 4 to 4000
423. Changing Numbers - 4323 to 4423
424. Changing Numbers - 9906 to 9996
425. Changing Numbers - 8999 to 9000
426. 1000 less, 10 more than 8712
427. Changing Numbers - 7899 to 7909
428. 1000 less, 100 more than 4550
429. 1000 less, 100 more than 6793
430. 1000 less, 1 more than 3589
431. 10 less, 100 more than 5302
432. Changing Numbers - 820 to 1820
433. Changing Numbers - 1040 to 1140
434. 1000 less, 100 more than 1643
435. 1 less, 10 more than 4000
436. Changing Numbers - 1240 to 1250
437. Changing Numbers - 2943 to 1943
438. Changing Numbers: Add 1000, 10 000, 100 000 to 423 846
439. Changing Numbers: Add 100, 1000, 10 000 to 78 244
440. Changing Numbers: Add 10, 100, 1000 to 6789
441. 1000 less, 1000 more than 45 369
442. 1000 less, 1000 more than 75 258
443. 10 000 less, 10 000 more than 44 987
444. Changing Numbers: Add 10, 100, 1000 to 2345
445. Changing Numbers: Add 100, 1000, 10 000 to 33 125
446. Changing Numbers: Add 1000, 10 000, 100 000 to 213 426
447. 100 less, 100 more than 69 582
448. 1000 less, 1000 more than 69 855
449. 1000 less, 100 more than 5 268 635
450. 100 less, 1000 more than 453 369
451. 1000 less, 10 more than 317 691
452. 1000 less, 1000 more than 212 673
453. Hundreds takeout 697-**=614
454. Hundreds takeout 457-**=425
455. Hundreds takeout 596-**=543
456. Hundreds takeout 997-**=971
457. Hundreds Takeout: 5*9-35*=*11
458. Hundreds Takeout: *8*-2*2=132
459. Hundreds Takeout: *1*-5*4=414
460. Hundreds Takeout: **2-43*=362
461. Hundreds Takeout: 6*2-32* = *21
462. Hundreds Takeout: *00 - 26* = 35
463. Hundreds takeout: *82 - 4*7 = 18*
464. Hundreds takeout: *43 - 2*7 = 20*
465. Hundreds takeout: *75 - 2*6 = 10*
466. Hundreds takeout: *42 - 5*9 = 31*
467. Hundreds takeout: *53 - *7 = 61*
468. Use the pattern: 60 - 2, 600 - 20, 6,000 - 200
469. Use the pattern: 40 - 6, 400 - 60, 4,000 - 600
470. Use the pattern: 50 - 9, 500 - 90, 5,000 - 900
471. Use the pattern: 80 - 5, 800 - 50, 8,000 - 500
472. Use the pattern: 90 - 8, 900 - 80, 9,000 - 800
473. Subtracting tens: 655 - ? = 595
474. Subtracting tens: 513 - ? = 463
475. Subtracting tens: 321 - ? = 251
476. Subtracting tens: 849 - ? = 759
477. Subtracting tens: 527 - ? = 497
478. Hundreds Takeout: *00 - 37 = 66*
479. Hundreds Takeout: *00 - *8 = 352
480. Hundreds Takeout: 800 - **5 = 45
481. Hundreds Takeout: *00 - 569 = *1
482. Tens Takeout: 400-20, 40 less than 480, ?-80=360
483. Tens Takeout: 500-50, 70 less than 700, ?-90=810
484. Tens Takeout: 900-30, 10 less than 400, ?-60=40
485. Tens Takeout: 300-80, 50 less than 700, ?-90=110
486. Tens Takeout: 600-20, 70 less than 500, ?-30=370
487. Subtracting tens: 734-50=?
488. Subtracting tens: 408-90=?
489. Subtracting tens: 978-80=?
490. Subtracting tens: 345-70=?
491. Subtracting tens: 533-60=?
492. 1,000s crossing: 6,002-6, 4,001-4, 2,005-7
493. 1,000s crossing: 7,002-8, 5,004-7, 3,003-6
494. 1,000s crossing: 9,002-9, 18,006-7, 7,007-9
495. 1,000s crossing: 5,001-5, 10,003-5, 1,004-5
496. 1,000s crossing: 8,004-7, 13,003-8, 4,006-9
497. Write the missing number: 650+100+?=1,000
498. Write the missing number: 250+50+?=1,000
499. Write the missing number: 500+450+?=1,000
500. Write the missing number: 600+50+?=1,000
501. Write the missing number: 750+100+?=1,000
502. Hundreds Takeout: 658 - *79 = 1*9
503. Hundreds Takeout: 9*1 - *52 = 1*9
504. Hundreds Takeout: **1 - 21* = 185
505. Number Quest - complete number sentence
506. Build A Total - number sequence, 25
507. Build A Total - number sequence, 35
508. Build A Total - number sequence, 55
509. Build A Total - number sequence, 40
510. Build A Total - number sequence, 50
511. Build A Total - number sequence, 32
512. Build A Total - number sequence, 23
513. Number Quest - complete number sentence
514. Build A Total - number sequence, 44
515. Build A Total - number sequence, 28
516. Build A Total - number sequence, 36
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