Busy Ant Maths Pupil Book 4a Year 4 Answers - Collins
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33Pupil Book 4A
Answers
Year 4 Answers
Pupil Book 4A
Unit 1, Week 1: Number _ Number and
2 Answers will vary.
Lesson 2: Mental subtraction
place value
Challenge
Challenge
3
Answers will vary.
1
a 136
i 165
b 223
j 228
Lesson 1: 4-digit numbers (1)
Lesson 4: 1000s more or less
c 207
k 181
Challenge
1
1 a 429
c 614
Challenge
d 223
l 237
1
1 a 1365
d 4671
b 583
d 703
e 175
m 129
b 1276
e 3995
f 173
n 431
2 a 538 = 500 + 30 + 8
c 1831
f 5329
g 296
o 217
b 413 = 400 + 10 + 3
2 a 2825
d 3067
h 282
p 382
c 681 = 600 + 80 + 1
b 2199
e 3326
d 390 = 300 + 90
Challenge
c 3794
f 4439
2
a 262
i 242
e 759 = 700 + 50 + 9
b 381
j 205
Challenge
f 827 = 800 + 20 + 7
2
1 a 5284
d 6629
c 498
k 317
b 4862
e 7928
Challenge
d 337
l 288
2
1 a 1295 = 1000 + 200 + 90 + 5
c 5192
f 4690
e 283
m 273
b 2861 = 2000 + 800 + 60 + 1
2 a 3722
d 1981
f 567
n 308
c 2649 = 2000 + 600 + 40 + 9
b 3063
e 4109
g 681
o 331
d 3804 = 3000 + 800 + 4
c 2762
f 5321
h 243
p 269
e 3382 = 3000 + 300 + 80 + 2
3 Answers will vary.
f 4741 = 4000 + 700 + 40 + 1
Challenge
3
1 a 287
i 654
2 a 4675
c 5542
Challenge
b 276
j 617
3
1 a 9341, 3341
b 3237
d 2718
c 423
k 598
b 6842, 842
Challenge
d 475
l 787
c 8999, 2999
3
1 a 5421
e 523
m 817
d 7025, 1025
b 3619
f 621
n 858
e 8827, 2827
c 4236
g 576
o 1024
f 9297, 3297
2 Answers will vary.
h 596
p 345
2 Answers will vary.
Lesson 2: 4-digit numbers (2)
2 Answers will vary.
Unit 1, Week 2: Number _ Addition and
Challenge
Lesson 3: 1-step problems
1
1 a 1326
c 3912
subtraction
b 2639
d 3333
Challenge
1
1 268
Challenge
Lesson 1: Mental addition
2
1 a 1247 = 1000 + 200 + 40 + 7
2 222
b 2319 = 2000 + 300 + 10 + 9
Challenge
3 154
1
a 283
i 563
c 3184 = 3000 + 100 + 80 + 4
b 296
j 821
Challenge
d 3072 = 3000 + 70 + 2
2
1 103
c 387
k 714
e 4713 = 4000 + 700 + 10 + 3
2 195
d 485
l 667
2 a 2518p
d 4066p
e 412
m 885
3 478
b 1429p
e 5972p
f 431
n 893
4 182
c 3219p
g 532
o 532
Challenge
h 518
p 928
Challenge
3
1 300
3
1 a 5981
Challenge
2 296
b 9456
2
a 559
i 178
c 8723
b 924
j 252
3 614
c 752
k 328
2 Answers will vary.
Lesson 4: 2-step problems
d 596
l 387
Lesson 3: Ordering numbers beyond 1000
Challenge
e 972
m 643
1
1 325
Challenge
f 873
n 707
1
1 a 234, 286, 361, 476, 582
2 152 minutes
g 1035
o 732
b 151, 155, 265, 501, 511
3 82
h 1086
p 755
c 505, 573, 615, 675, 755
Challenge
d 167, 218, 278, 287, 631
Challenge
2
1 603
3
1 a 853
i 1039
e 1467, 2854, 3621, 4255
b 936
j 1151
2 1
f 1432, 2765, 3362, 4106
c 952
k 1207
3 6
2 Answers will vary.
d 996
l 1287
4 207
e 952
m 1282
Challenge
2
1 a 1572, 2762, 3265, 4861
Challenge
f 829
n 1408
3
1 101 minutes
b 4062, 4206, 5087, 5208
g 961
o 1676
2 £42
c 4166, 4261, 4482, 4528
h 1025
p 1908
d 5057, 5177, 5207, 5507
3 738 minutes
2 Answers will vary.
e 4012, 4015, 5011, 5015
f 6612, 6628, 6643, 6649
536
BA Answers_Final.indd 536
BA Answers_Final.indd 536
14/02/2014 16:37
14/02/2014 16:37
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