ACMNA291

Use efficient mental and written strategies and apply appropriate digital technologies to solve problems

1.		Changing Numbers - 1040 to 1140
2.		Changing Numbers - 2943 to 1943
3.		Changing Numbers - 820 to 1820
4.		Changing Numbers - 1240 to 1250
5.		1000 less, 100 more than 6793
6.		1000 less, 100 more than 1643
7.		1000 less, 1 more than 3589
8.		1 less, 10 more than 4000
9.		10 less, 100 more than 5302
10.		Make 700: 350+125+?
11.		Bargain basement: $12+$6+$24
12.		Mystery number: ?+7=252
13.		Mystery number: ?+6=174
14.		Mystery number: ?+7=451
15.		Mystery number: ?+6=512
16.		Mystery number: ?+6+163
17.		Mystery number: 106+11=?
18.		Mystery number: 514+12=?
19.		Mystery number: 913+13=?
20.		Mystery number: 711+17=?
21.		Mystery number: 133+16=?
22.		Mystery number: 157+?=163
23.		Mystery number: 133+?=146
24.		Mystery number: 212+?=224
25.		Mystery number: 106+?=118
26.		Mystery number: 106+?=118
27.		Same or different:44-8,14+23,22+18,19+17,54-18
28.		Same or different:43-7,21+17,13+22,18+16,53-17
29.		On the Board: 24 + 92= 6*
30.		On the Board: *1 + 38= 30
31.		On the Board: 4+*6=569
32.		On the Board: 81+6=*09
33.		On the Board: 52+10=3*8
34.		On the Board: 8+91=*78
35.		On the Board: 7*+102=97
36.		On the Board: 46+2=43*
37.		On the Board: 53+2=*29
38.		On the Board: 6+73=5*6
39.		On the Board: 6+2=100
40.		On the Board: 6+2=100
41.		On the Board: 4+7=100
42.		On the Board: 4+7=100
43.		On the Board: 4+3=100
44.		Adding Tens: 142+?=182
45.		Adding Tens: 30+?=574
46.		Adding Tens: 235+50 =?
47.		Adding Tens: 338+50=?
48.		Adding Tens: 562+30=?
49.		Adding Tens: ?+30=492
50.		100 zone: 796+7,794+8,799+6
51.		100 zone: 593+7,594+8,596+5
52.		100 zone: 693+9,695+8,697+7
53.		100 zone: 392+6,393+7,392+8
54.		100 zone: 196+9,194+7,197+5
55.		Complem. add/subtract: 136+419=555
56.		Complem. add/subtract: 216+84=300
57.		Complem. add/subtract: 112+32=144
58.		Complem. add/subtract: 125+14=139
59.		Complem. add/subtract: 105+24=129
60.		Complem. add/subtract: 210+14=224
61.		Add it up: Addition with regrouping 863+59
62.		Add it up: Addition with regrouping 769+45
63.		Add it up: Addition with regrouping 347+56
64.		Add it up: Addition with regrouping 777+58
65.		Add it up: Addition with regrouping 723+89
66.		True or False?: 47+15=65
67.		True or False?: 38+14=52
68.		True or False?: 56+17=73
69.		True or False?: 29+12=46
70.		True or False?: 55+17=72
71.		Number detectives: 102+98=?
72.		Number detectives: 348+103=?
73.		Number detectives: 56+92=?
74.		Number detectives: 156+104=?
75.		Number detectives: 201+99=?
76.		Same or Different: Answer 58
77.		Same or Different: Answer 44
78.		Hundreds and hundreds: 42?+3?8=79?
79.		Hundreds and hundreds: 657+173=830
80.		Hundreds and hundreds: ?64+5?9=90?
81.		Hundreds and hundreds: 6?8+157=?2?
82.		Hundreds and hundreds: 17?+?23=2?7
83.		Hundreds and hundreds: 364+235=?
84.		Make 1000: 850+150+*
85.		Make 1000: 600+150+*
86.		Make 1000: 50+800+*
87.		Number detectives: 30+?, 20+?, 10+?=100
88.		Number detectives: 82+?, 24+?, 76+?=100
89.		Number detectives: 89+?, 21+?, 59+?=100
90.		Addition chains 10 multiples
91.		Addition chains 10 multiples
92.		Addition chains 10 multiples
93.		Addition chains 10 multiples
94.		Addition chains 10 multiples
95.		100 zone: 295+8=?, 798+?=804, ?+9=405
96.		100 zone: 294+8=?, 396+?=401, ?+4=705
97.		100 zone: 295+9=?, 596+?=602, ?+8=201
98.		100 zone: 399+5=?, 895+7=902, ?+6=503
99.		100 zone: 698+6=704, 292+?=301, ?+8=503
100.		Comp. pairs add/subtract: 678+156=834
101.		Comp. pairs add/subtract: 246+357=603
102.		Comp. pairs add/subtract: 545+328=873
103.		Comp. pairs add/subtract: 488+323=811
104.		Comp. pairs add/subtract: 493+257=750
105.		Add it up: Addition with regrouping 314+428
106.		Add it up: Addition with regrouping 628+347
107.		Add it up: Addition with regrouping 249+344
108.		Add it up: Addition with regrouping 638+143
109.		Add it up: Addition with regrouping 773+219
110.		Add it up: Addition with regrouping 315+27
111.		Add it up: Addition with regrouping 259+28
112.		Add it up: Addition with regrouping 437+44
113.		Add it up: Addition with regrouping 673+19
114.		Add it up: Addition with regrouping 536+38
115.		Hundreds and hundreds: 597+600=?
116.		Hundreds and hundreds: Complete vertical hundreds addition
117.		Hundreds and hundreds: Complete vertical hundreds addition
118.		Hundreds and hundreds: 643+600=?
119.		Hundreds and hundreds: 756+800=?
120.		100 zone: +95=500 365+=400 625+75=*
121.		100 zone: +185=200 655+=700 335+65=*
122.		100 zone: +25=300 445+=500 895+5=*
123.		100 zone: +45=400 165+=200 725+75=*
124.		100 zone: +85=700 405+=500 375+25=*
125.		True or False?: 36+49=85
126.		True or False?: 62+29=81
127.		True or False?: 12+8=17+4
128.		True or False?: 63+8=65+6
129.		True or False?: 11+8=13+7
130.		True or False?: 26+7=29+4
131.		True or False?: 37+8=39+7
132.		True or False?: 26+46=72 13+29=44 62+18=80 38+25=53
133.		True or False?: 27+18=45 32+39=49 49+27=76 57+26=83
134.		True or False?: 19+49=58 48+33=81 24+37=62 64+28=90
135.		Number Detectives: Mystery Teens
136.		Number Detectives: Mystery Teens
137.		Number Detectives: Mystery Teens
138.		Number Detectives: Mystery Teens
139.		Number Detectives: Mystery Teens
140.		100 Zone: 180+30, 270+50, 40+330
141.		100 Zone: 568+30, 623+20, 60+480
142.		100 Zone: 372+20, 638+50, 110+40
143.		100 Zone: 263+20, 390+30, 70+680
144.		100 Zone: 890+50, 329+30, 50+440
145.		Complementary pairs: 347+454=801
146.		Complementary pairs: 482+395=877
147.		Complementary pairs: 278+596=874
148.		Complementary pairs: 532+209=741
149.		Complementary pairs: 627+277=904
150.		Add it up: 347+454
151.		Add it up: 627+277
152.		Add it up: 583+228
153.		Add it up: 509+199
154.		Add it up: 341+189
155.		Add it up: 1288+252
156.		Add it up: 2273+339
157.		Add it up: 6082+889
158.		Add it up: 5346+369
159.		Add it up: 7239+697
160.		Add board: 140+80=*229
161.		Add board: 183+30=2*60
162.		Add board: 70+458=25
163.		Add board: 155+60=2*55
164.		Add board: 188+40=10
165.		Adding Hundreds 136+=536 566+200= 300m/t264=*
166.		Adding Hundreds 532+=732 328+500= 600m/t119=*
167.		Adding 105 254+=250 421+105= 105m/t101=*
168.		Hundreds to Add - 562+=667 263+105= 105m/t714=*
169.		Hundreds to Add - 365+=470 532=105=637 105m/t283=
170.		Add Board: Complete vertical algorithm
171.		Add Board: Complete vertical algorithm
172.		Add Board: Complete vertical algorithm
173.		Add Board: Complete vertical algorithm
174.		Add Board: Complete vertical algorithm
175.		Hundreds and Hundreds: Complete vertical algorithm
176.		Hundreds and Hundreds: Complete vertical algorithm
177.		Hundreds and Hundreds: Complete vertical algorithm
178.		Hundreds and Hundreds: Complete vertical algorithm
179.		Hundreds and Hundreds: Complete vertical algorithm
180.		True or False? Click all the number sentences that are true.
181.		True or False? Click all the number sentences that are true.
182.		True or False? Click all the number sentences that are true.
183.		True or False? Click all the number sentences that are true.
184.		True or False? Click all the number sentences that are true.
185.		True or False? Click all the number sentences that are true.
186.		True or False? Click all the number sentences that are true.
187.		True or False? Click all the number sentences that are true.
188.		True or False? Click all the number sentences that are true.
189.		True or False? Click all the number sentences that are true.
190.		Add it up: 2,969+852
191.		Add it up: 3,268+852
192.		Add it up: 2,959+356
193.		Add it up: 5,478+852
194.		Add it up: 5,478+852
195.		Thousands and Thousands: Complete vertical algorithm
196.		Thousands and Thousands: Complete vertical algorithm
197.		Thousands and Thousands: Complete vertical algorithm
198.		Thousands and Thousands: Complete vertical algorithm
199.		Thousands and Thousands: Complete vertical algorithm
200.		Add hundreds: 346 + 400, 1426 + 500, 200 + 7019
201.		Adding hundreds: Multiple operations with hundreds numbers
202.		Adding hundreds: Multiple operations with hundreds numbers
203.		Adding hundreds: Multiple operations with hundreds numbers
204.		Adding hundreds: Multiple operations with hundreds numbers
205.		Number detectives: Add/subtract hundreds numbers
206.		Number detectives: Add/subtract hundreds numbers
207.		Number detectives: Add/subtract hundreds numbers
208.		Number detectives: Add/subtract hundreds numbers
209.		Number detectives: Add/subtract hundreds numbers
210.		Changing numbers: 36 159 add 100 add 1 add 10
211.		Changing numbers: 23 855 add 100 add 1 add 10
212.		Changing numbers: 36 052 add 1000 add 1 add 10
213.		Changing numbers: 23 615 add 1000 add 100 add 10
214.		Changing numbers: 36 925 add 10 add 1000 add 1
215.		True or False: Double-sided equations
216.		True or False: Double-sided equations
217.		True or False: Double-sided equations
218.		True or False: Double-sided equations
219.		True or False: Double-sided equations
220.		Use the Pattern: 43 + 39, 43 + 40, 430 + 400
221.		Use the Pattern: 56 + 70, + 69, 560 + 700
222.		Use the Pattern: 34 + 80, + 79, 340 + 800
223.		Use the Pattern: 27 + 90, + 89, 270 + 900
224.		Use the Pattern: 62 + 79, 62 + 80, 620 + 800
225.		Add It Up: Addition of 4-digit numbers with regrouping
226.		Add It Up: Addition of 4-digit numbers with regrouping
227.		Add It Up: Addition of 4-digit numbers with regrouping
228.		Add It Up: Addition of 4-digit numbers with regrouping
229.		Add It Up: Addition of 4-digit numbers with regrouping
230.		Add It Up: Addition of 4-digit numbers with regrouping
231.		Add It Up: Addition of 4-digit numbers with regrouping
232.		Add It Up: Addition of 4-digit numbers with regrouping
233.		Add It Up: Addition of 4-digit numbers with regrouping
234.		Add It Up: Addition of 4-digit numbers with regrouping
235.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
236.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
237.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
238.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
239.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
240.		Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers
241.		Use the pattern 6+7 60+70 160+170
242.		Use the pattern 12+8 120+80 1200+800
243.		Use the pattern 21+9 210+90 2100+900
244.		Use the pattern 3+8 30+80 300+800
245.		Use the pattern 16+4 160+40 1600+400
246.		Add these 3 numbers: 80 + 70 + 40
247.		Add these 3 numbers: 90 + 60 + 30
248.		Add these 3 numbers: 40 + 70 + 20
249.		Add these 3 numbers: 30 + 20 + 90
250.		Add these 3 numbers: 70 + 90 + 10
251.		Number detectives Three's a breeze: 31+29+*=87
252.		Number detectives Three's a breeze: 42+12+*=74
253.		Number detectives Three's a breeze: 18+22+*=81
254.		Number detectives Three's a breeze: 56+21+*=88
255.		Number detectives Three's a breeze: 27+23+*=58
256.		Same or different: Click all the boxes with the same answer
257.		Same or different: Click all the boxes with the same answer
258.		Same or different: Click all the boxes with the same answer
259.		Same or different: Click all the boxes with the same answer
260.		Same or different: Click all the boxes with the same answer
261.		Changing numbers 683-554
262.		Changing numbers 257-138
263.		Changing numbers 884-763
264.		Changing numbers 576-557
265.		Changing numbers 794-683
266.		Changing numbers 461-432
267.		Write the missing number: 15 + 110 + ? = 134
268.		Write the missing number: 18 + 111 + ? = 131
269.		Write the missing number: ? + 104 + 15 = 126
270.		Write the missing number: 110 + ? + 107 = 229
271.		Write the missing number: 109 + ? + 115 = 330
272.		Write the missing number: 21 + 107 + ? = 137
273.		Write the missing number: 125 + ? + 5 = 142
274.		Write the missing number: 118 + ? + 20 = 145
275.		Write the missing number: 13 + ? + 126 = 148
276.		Write the missing number: 14 + 117 + ? = 139
277.		Use the pattern: 40 - 6, 400 - 60, 4000 - 600
278.		Use the pattern: 60 - 2, 600 - 20, 6000 - 200
279.		Use the pattern: 50 - 9, 500 - 90, 5000 - 900
280.		Use the pattern: 80 - 5, 800 - 50, 8000 - 500
281.		Use the pattern: 90 - 8, 900 - 80, 9000 - 800
282.		Hundreds takeaway: 53-7=61*
283.		Hundreds takeaway: 42 - 59 = 31*
284.		Hundreds takeaway: 75 - 26 = 10*
285.		Hundreds takeaway: 43 - 27 = 20*
286.		Hundreds takeaway: 82-47 = 18*
287.		The Mysteries of 50! 50-35,12,6
288.		The Mysteries of 50! 50-16,21,30
289.		Subtraction chains: ?-12-7-6=65, ?-11-6-13=50
290.		Subtraction chains: ?-11-10-12, ?-8-11-4=7
291.		Subtraction chains: ?-10-11-9, 50-12-8-7=23
292.		Subtraction chains: ?-11-8-10, ?-9-6-7=34
293.		Subtraction chains: ?-7-9-12, ?-12-5-11
294.		Anyone for a burger? $20-($6+$5+$2)
295.		Bargain Basement: $40-3x$6=2x$4)
296.		Take Tens: 67-?=47,430-70=?
297.		Take Tens: 71-?=21,250-30=?
298.		Take Tens: 66-?=36,360-80=?
299.		Take Tens: 94-?=54,740-20=?
300.		Take Tens: 89-?=19,460-50=?
301.		Take Tens: 86-?=26,170-40=?
302.		Take Tens: 45-?=35,580-90=?
303.		Take Tens: 62-?=22,880-50=?
304.		Take Tens: 73-?=53,630-90=?
305.		Take Tens: 98-?=18,920-60=?
306.		Complem. add/subtract: 652-547=105
307.		Complem. add/subtract: 845-69=776
308.		Complem. add/subtract: 492-116=376
309.		Complem. add/subtract: 831-88=743
310.		Complem. add/subtract: 634-97=537
311.		Complem. add/subtract: 263-84=179
312.		Complem. add/subtract: 751-47=704
313.		Complem. add/subtract: 397-59=338
314.		Linh at the sweet shop: $2-(30c+5x10c)
315.		Spot the difference: 175-162, 187-170, 264-243 =?
316.		Spot the difference: 360-345, 122-108, 754-742 =?
317.		Spot the difference: 217-201, 184-167, 340-321 =?
318.		Spot the difference: 609-597, 99-118, 77-105 =?
319.		Spot the difference: 360-375, 129-118, 156-140 =?
320.		CD players $285 - $128
321.		Take it away 352-18=334
322.		Take it away 154-36=118
323.		Take it away 763-57=706
324.		Take it away 681-29=652
325.		Take it away 472-46=426
326.		Same or Different: Answer 42
327.		Same or Different: Answer 50
328.		Same or Different: Answer 85
329.		Same or Different: Answer 76
330.		Same or Different: Answer 24
331.		Same or Different: Answer 60
332.		Same or Different: Answer 32
333.		Same or Different: Answer 45
334.		Same or Different: Answer 21
335.		Same or Different: Answer 55
336.		Hundreds Takeaway: 00 - 37 = 66
337.		Hundreds Takeaway: 00 - 8 = 352
338.		Hundreds Takeaway: 800 - **5 = 45
339.		Hundreds Takeaway: 00 - 569 = 1
340.		Hundreds Takeaway: 00-26=35
341.		Hundreds Takeaway: 62-32 = *21
342.		Hundreds Takeaway: *2-43=362
343.		Hundreds Takeaway: 1-5*4=414
344.		Hundreds Takeaway: 8-2*2=132
345.		Hundreds Takeaway: 59-35=*11
346.		Take tens: 527-?=497
347.		Take tens: 849-?=759
348.		Take tens: 321-?=251
349.		Take tens: 513-?=463
350.		Take tens: 655-?=595
351.		Take tens: 734-50=?
352.		Take tens: 408-90=?
353.		Take tens: 978-80=?
354.		Take tens: 345-70=?
355.		Take tens: 533-60=?
356.		Mysteries of 100!: 100-?=77, 100-?=60, 100-?=88
357.		Mysteries of 100!: 100-?=45, 100-?=28, 100-?=66
358.		Mysteries of 100!: 100-?=40, 100-?=75, 100-?=62
359.		Mysteries of 100!: 100-?=19, 100-?=80, 100-?=69
360.		Mysteries of 100!: 100-?=76, 100-?=65, 100-?=54
361.		Subtraction chains: 87-14-13-15, 98-17-11-6
362.		Subtraction chains: 79-14-15-12, 68-17-20-11
363.		Subtraction chains: 76-13-12-11, 92-20-12-14
364.		Subtraction chains: 94-20-14-11, 65-15-25-15
365.		Bargain basement: $50-(2x$5+$10)
366.		100 zone: 600-3, 400-5, 200-7
367.		100 zone: 900-9, 700-7, 500-5
368.		100 zone: 700-2, 300-4, 100-6
369.		100 zone: 400-6, 300-4, 200-2
370.		100 zone: 800-8, 600-6, 400-4
371.		Take it away: Subtraction with decomposition 791-338
372.		Take it away: Subtraction with decomposition 874-258
373.		Take it away: Subtraction with decomposition 362-139=?
374.		Take it away: Subtraction with decomposition 984-427=?
375.		Take it away: Subtraction with decomposition 653-137=?
376.		1000s crossing: 6002-6, 4001-4, 2005-7
377.		1000s crossing: 7002-8, 5004-7, 3003-6,
378.		1000s crossing: 9002-9, 18006-7, 7007-9
379.		1000s crossing: 5001-5, 10003-5, 1004-5
380.		1000s crossing: 8004-7, 13003-8, 4006-9
381.		Tens Takeaway: 400-20, 40 less than 480, ?-80=360
382.		Tens Takeaway: 500-50, 70 less than 700, ?-90=810
383.		Tens Takeaway: 900-30, 10 less than 400, ?-60=40
384.		Tens Takeaway: 300-80, 50 less than 700, ?-90=110
385.		Tens Takeaway: 600-20, 70 less than 500, ?-30=370
386.		True or False?: 15-9=11-7
387.		True or False?: 12-8=11-7
388.		True or False?: 25-4=26-2
389.		True or False?: 99-66=44-11
390.		True or False?: 73-3=93-20
391.		True or False?: 44-4=60-20
392.		True or False?: 80-60=44-24
393.		Hundreds Takeaway: 777 - 699 = *78
394.		Hundreds Takeaway: 658 - 79 = 19
395.		Hundreds Takeaway: 91 - 52 = 1*9
396.		Hundreds Takeaway: 792 -6 = 5*8
397.		Hundreds Takeaway: *1 - 21 = 185
398.		Subtraction Chains
399.		Subtraction Chains
400.		Subtraction Chains
401.		Subtraction Chains
402.		Subtraction Chains
403.		Subtraction Chains
404.		Subtraction Chains
405.		Subtraction Chains
406.		Subtraction Chains
407.		Subtraction Chains
408.		Hundreds and Thousands: 1643 - 788 = *55
409.		Hundreds and Thousands: 5* - *90=1890
410.		Thousands Takeaway: 618 - 42* =*219
411.		Thousands Takeaway: 47 - 2859 = 5**4
412.		Hundreds and Thousands: 782 - 3* = 18*6
413.		100 zone: 105-15, 306-8, 109-10
414.		100 zone: 304-7, 400-15, 401-5
415.		100 zone: 400-6, 400-9, 400-11
416.		100 zone: 402-5, 312-15, 314-15
417.		100 zone: 108-9, 111-12, 106-7
418.		Take it away: 422 - 114 = ?
419.		Take it away: 650 - 322 = ?
420.		Take it away: 456 - 245 = ?
421.		Take it away: 763 - 335 = ?
422.		Take it away: 389 - 147 = ?
423.		1000s crossing: 6010-5995, 8012-7990, 4023-3998
424.		1000s crossing: 2002-1999, 9015-8990, 5011-4991
425.		1000s crossing: 4011-3994, 5009-4989, 7013-6990
426.		1000s crossing: 3021-2988, 6017-5996, 2008-1994
427.		1000s crossing: 8016-7991, 7004-6987, 9020-8995
428.		True or False?: 267 - 89 = 178
429.		True or False?: 287 = 372 - 85
430.		True or False?: 576 = 652 - 74
431.		Subtraction Chains
432.		Subtraction Chains
433.		Subtraction Chains
434.		Subtraction Chains
435.		Subtraction Chains
436.		Subtraction Chains
437.		Subtraction Chains
438.		Subtraction Chains
439.		Take Tens 541-60=481,924-90=834
440.		Take Tens 874-80=481,219-20=199
441.		Take Tens 603-10=593,128-50=78
442.		Take Tens 459-70=389,816-40=776
443.		Take Tens 352-70=282,715-30=685
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.		Thousands Takeaway: Complete vertical algorithm
453.		Take it away 271-138
454.		Take it away 692-459
455.		Take it away 942-513
456.		Take it away 794-387
457.		Take it away 583-228
458.		1000s crossing: 4020-3990, 7005-6985, 3009-2999
459.		1000s crossing: 5030-4990, 3010-2950, 7970-8040
460.		1000s crossing: 2030-1980, 4040-3960, 6010-5970
461.		1000s crossing: 1050-980, 2020-1970, 5070-4990
462.		1000s crossing: 8020-7940, 4030-3950, 9060-8980
463.		1000s Crossing: 6015-5999, 8014-7995, 3024-2990
464.		True or False?: 107 - 68 = 41
465.		Same or different: Click all boxes with the answer 126
466.		Same or different: Click all boxes with the answer 175
467.		Same or different: Click all boxes with the answer 426
468.		Same or different: Click all boxes with the answer 146
469.		Same or different: Click all boxes with the answer 236
470.		Same or different: Click all boxes with the answer 567
471.		Same or different: Click all boxes with the answer 194
472.		Same or different: Click all boxes with the answer 222
473.		Same or different: Click all boxes with the answer 468
474.		Same or different: Click all boxes with the answer 673
475.		Anyone for a burger? $6 + $6 + $1 + $3 from $50
476.		Anyone for a burger? $4 + $6 + $1 + $2 from $20
477.		Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
478.		Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
479.		Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
480.		Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
481.		Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers
482.		Take Hundreds:4421-?=3921,9365-500=?,5350-500=?
483.		Take Hundreds:48801-?=4840, 66150-300=?, 45685-700=?
484.		Take Hundreds:46250-?=45850, 69358-500= ?, 7419-600=?
485.		Take Hundreds:47210-?=46510,53296-800=?, 45258-400=?
486.		Take Hundreds: 42159-?=41859, 22014-500=?, 71119-600=?
487.		50s Get Together: 1000 - ? = 750
488.		50s Get Together: 1000 - 850 =*
489.		50s Get Together: 4250 - 650 =*
490.		50s Get Together: * + 550 = 1000
491.		50s Get Together: 550 + ? = 1000
492.		Give or Take a thousand
493.		Give or Take a thousand
494.		Give or Take a thousand
495.		Give or Take a thousand
496.		Give or Take a thousand
497.		Thousands crossing: 12009-12, 16005-9, 25006-15,
498.		Thousands crossing: 24001-6, 27004-10, 23002-22987
499.		Thousands crossing: 22002-10, 19006-8, 41009-15
500.		Thousands crossing: 42002-41992, 26013-25287, 37007-15
501.		Uncle Bob's new car: New price less trade-in
502.		Wheeling Deal: New price less trade-in
503.		Mitchell moves up: New price less trade-in
504.		Dr Dan drives on: New price less trade-in
505.		Lord Percibald rides in style: New price less trade-in
506.		Same or different: Click all boxes with the same answer
507.		Same or different: Click all boxes with the same answer
508.		Same or different: Click all boxes with the same answer
509.		Same or different: Click all boxes with the same answer
510.		Same or different: Click all boxes with the same answer
511.		Thousands Takeaway: 42 - 4480 = 4**5
512.		Thousands Takeaway: 673* - *41 = 399
513.		Thousands Takeaway: 34 - 2375 = 5**8
514.		True or false 153 - 72 = 225
515.		True or false 180 - 25 = 215
516.		Use the pattern: 3 x 15 = 3 x 10 + 3 x 5
517.		Anyone for a burger? 2 x $5 + 4 x $4
518.		Times Machine: Write the correct multiplier into the times machine
519.		Times Machine: Write the correct multiplier into the times machine
520.		Times Machine: Write the correct multiplier into the times machine
521.		Times Machine: Write the correct multiplier into the times machine
522.		Times Machine: Write the correct multiplier into the times machine
523.		Times Machine: Write the correct multiplier into the times machine
524.		Times Machine: Write the correct multiplier into the times machine
525.		Times Machine: Write the correct multiplier into the times machine
526.		Big Times: *1 x 5 = 105
527.		Big Times: 43 X 3 = **9
528.		Big Times: * 2 X 4 = 24*
529.		Big Times: 74 X * = 148
530.		Big Times: 83 X 3 = **9
531.		Big Times: 72 X 4 = **8
532.		Number production: Complete each multiplication sentence.
533.		Number production: Complete each multiplication sentence.
534.		Number production: Complete each multiplication sentence.
535.		Number detectives: 12 x 8
536.		Maree at the sweet shop: 20 x 30c + 5 x 25c
537.		Hit the Big times: 259 x 3 =7
538.		Hit the Big times: 87 x 2 = 97
539.		Hit the Big times: 66 x = 996
540.		Hit the Big times: 325 x 8 = 26**
541.		Hit the Big times: 524 x 3= **72
542.		Hit the Big times: 19 x 3= 27*
543.		Hit the Big times: 628 x 3= 18
544.		Sum it up: Put the correct number statement on the question board
545.		Sum it up: Put the correct number statement on the question board
546.		Sum it up: Put the correct number statement on the question board
547.		Number production: Complete each multiplication sentence.
548.		Number production: Complete each multiplication sentence.
549.		Number production: Complete each multiplication sentence.
550.		Same or different: Click all the boxes where the answer is the same.
551.		Same or different: Click all the boxes where the answer is the same.
552.		Multi-multiplication: Use 4 different multipliers to change the number 12
553.		Multi-multiplication: Use 4 different multipliers to change the number 50
554.		Multiplication simplification: 29x24
555.		Multiplication Simplification: 48x16
556.		Multiplication Simplification: 88x24
557.		Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum
558.		Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum
559.		Accounting for cars: Money multiplication
560.		Drive the dollars: Money multiplication
561.		Hitting the big times: 3 55 x * = 6* 465
562.		Times Machine: Write the correct multiplier on the times machine
563.		Times Machine: Write the answer after the numbers have been multiplied
564.		My Fair Sharer: 12, 300, 9 / 3
565.		My Fair Sharer: 100, 24, 28 / 4
566.		My Fair Sharer: 250, 40, 100 / 5
567.		Sum it up - Candy's hot chocolate 16 / 4
568.		True or False: 160/40=4
569.		True or False: 150/3=15
570.		Divide and Multiply
571.		My Fair Sharer: write the answers after each number has been divided
572.		My Fair Sharer: write the answers after each number has been divided
573.		My Fair Sharer: write the answers after each number has been divided
574.		Number detectives: 250/5=?
575.		Number detectives: 320/?=80
576.		Number detectives: 270/?=90
577.		Same or different: Click all the boxes where the answer is the same.
578.		Same or different: Click all the boxes where the answer is the same.
579.		Up or Down - 555/55
580.		Up or Down - 9
581.		Divide and multiply - 8, 480
582.		Divide and multiply - 80, 400
583.		Divide and multiply - 8,720
584.		Divide and multiply - 40, 320
585.		Divide and multiply - 30, 210
586.		My Fair Sharer - 6, 240, 90, 72
587.		My Fair Sharer - 720, 88, 3, 60
588.		Football Fever: $680/8
589.		The Great Divide: Complete each division sentence
590.		The Great Divide: Complete each division sentence
591.		The Great Divide: Complete each division sentence
592.		The Great Divide: Complete each division sentence
593.		The Great Divide: Complete each division sentence
594.		Divide and multiply 240/6
595.		Fair Sharer /4
596.		Fair Sharer /6
597.		Fair Sharer /9
598.		My Fair Sharer: Write the correct division setting on the fair sharer
599.		Division Chains
600.		Division Chains
601.		Division Chains
602.		Division Chain: Three- and four-digit numbers
603.		Division Chain: Three- and four-digit numbers
604.		Division Chain: Three- and four-digit numbers
605.		Division Chain: Three- and four-digit numbers
606.		Divide and rule: Simplify division problems
607.		Divide and rule: Simplify division problems
608.		Divide and rule: Simplify division problems
609.		Divide and rule: Simplify division problems
610.		Same or different: Click all the boxes with the same answer
611.		Same or different: Click all the boxes with the same answer
612.		Same or different: Click all the boxes with the same answer
613.		Same or different: Click all the boxes with the same answer
614.		Same or different: Click all the boxes with the same answer
615.		Pandora's wedding bouquet 1:6 so ?:48
616.		Coloured Pencils 2:12 so ?:48
617.		Uncle Max's's hair cuts: 1:6 so ?:36
618.		Ballgame figures: 4:5 so ?:25
619.		Sum In A Circle - numbers in each groups total 15
620.		Which Operation? - 95*5=90
621.		All Things Equal - equivalent to 7 + 7
622.		Once Upon A Time... - match number sentence to story
623.		Number Quest - complete number sentence
624.		Which Operation? - 63*28 = 91
625.		Build A Total - number sequence, 45
626.		Enid the Elephant's Equations - equivalent to 6 + 6
627.		Use the pattern: 4 x 16 = 4 x 10 + 4 x 6
628.		Use the pattern: 5 x 15 = 5 x 10 + 5 x 5
629.		Use the pattern: 4 x 23 = 4 x 20 + 4 x 3
630.		Use the pattern: 2 x 26 = 2 x 20 + 2 x 6
631.		Use the pattern: 8x43 = 8x40 + 8x3
632.		Use the pattern: 9x63 = 9x60 + 9x3
633.		Use the pattern: 6x84 = 6x80 + 6x4
634.		Use the pattern: 4x73 = 4x70 + 4x3
635.		Use the pattern: 5x44 = 5x40 + 5x4
636.		Use the pattern: 8x62 = 8x60 + 8x2
637.		Use the pattern: 3x64 = 3x60 + 3x4
638.		Use the pattern: 7x56 = 7x50 + 7x6
639.		Use the pattern: 6x78 = 6x70 + 6x8
640.		Build A Total - number sequence, 25
641.		Build A Total - number sequence, 35
642.		Build A Total - number sequence, 44
643.		Build A Total - number sequence, 36
644.		Build A Total - number sequence, 23
645.		Build A Total - number sequence, 28
646.		Build A Total - number sequence, 32