Busy Ant Maths Pupil Book 4a Year 4 Answers - Collins Page 12
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33Pupil Book 4C
Pupil Book 4C
Challenge
Challenge
2
1 a −12
d −41
2
1 a 4221
d 8210
Unit 9, Week 1: Number _ Number and
b −15
e −32
b 6203
e 8111
c −20
f −38
c 6211
f 9222
place value
2 a −20
d −52
2 a 4180
d 5394
b −37
e −35
b 2932
e 6620
Lesson 1: Get in order
c −46
f −56
c 4015
f 7381
Challenge
1
a 2651, 3762, 4488, 7645, 8625
3 a −12 degrees
c −12 degrees
3 Open
b 5037, 5119, 7282, 7481, 7628
b −11 degrees
d +15 degrees
Challenge
c 6064, 6182, 6292, 6339, 6387
3
1 a 6262
e 5603
Challenge
d 6522, 7612, 7688, 8011, 8632
3
1 a 5 degrees
7 degrees
b 5805
f 6241
e 7383, 7393, 8363, 8373, 9373
2 degrees
1 degrees
c 7614
g 6697
f 2048, 2533, 2766, 2812, 2934
2 degrees
d 6451
h 8161
g 2981, 3277, 3827, 7035, 7129
b −15 degrees
−13 degrees
2 Open
h 5310, 5328, 5387, 5487, 5981
−18 degrees
−19 degrees
3 Answers will vary.
−22 degrees
Challenge
2
Answers will vary.
Lesson 2: Written subtraction (5)
2 Answers will vary.
Challenge
3
Answers will vary.
Challenge
1
1 a 2282
e 2833
Lesson 4: Roman numerals
b 1544
f 3007
Lesson 2: Rounding to the nearest 10, 100 or
Challenge
1
1 l, ll, lll, lV, V, Vl, Vll, Vlll, lX, X, Xl, Xll, Xlll,
c 2108
g 3652
1000
XlV, XV, XVl, XVll, XVlll, XlX, XX
d 3241
h 3441
Challenge
1
1 and 2
2 a Vl
f Xl
Challenge
2
1 a 3739
e 5977
a
610
614
620
b Vlll
g XVl
b 3526
f 5678
b
780
789
790
c lV
h Xlll
c 4515
g 6478
c
860
865
870
d V
i XVll
d 5111
h 6888
d 1360
1362
1370
e Vll
j XV
e 1710
1718
1720
2 Open
Challenge
2
1 XX, XXl, XXll, XXlll, XXlV, XXV, XXVl,
f
2060
2064
2070
Challenge
XXVll, XXVlll, XXlX, XXX, XXXl, XXXll,
3
1 a 6575
d 8768
g 2630
2637
2640
XXXlll, XXXlV, XXXV, XXXVl, XXXVll,
b 7788
e 8777
h 3520
3525
3530
XXXVlll, XXXlX, XL
c 7445
f 8689
Challenge
2
1 and 2
XLl, XLll, XLlll, XLlV, XLV, XLVl, XLVll,
2 Open
a 2100
2189
2200
XLVlll, XLlX, L
3 a 6132
b 4547
c 3701
b 3500
3577
3600
2 a XVll
f XXXVl
Explanations will vary.
c
6200
6252
6300
b XXVl
g XLl
d 7800
7808
7900
Lesson 3: How many teeth?
c XXVlll
h XLlll
e 9400
9458
9500
d XXX
i XLVl
Challenge
1
Answers will vary.
3 and 4
e XXXlV
j Ll
a 2000
2768
3000
Challenge
Challenge
2
Answers will vary.
3
1 L, Ll, Lll, Llll, LlV, LV, LVl, LVll, LVlll, LlX,
b 3000
3289
4000
LX
Challenge
c
4000
4890
5000
3
Answers will vary.
LXl, LXll, LXlll, LXlV, LXV, LXVl, LXVll,
d 4000
4178
5000
LXVlll, LXlX, LXX
Lesson 4: Ordering and adding money
e 5000
5098
6000
LXXl, LXXll, LXXlll, LXXlV, LXXV, LXXVl,
f
5318
6000
5000
Challenge
1
1 a £5.05, £5.15, £5.50, £5.80, £8.08,
LXXVll, LXXVlll, LXXlX, LXXX
g 6000
6588
7000
£8.50
LXXXl, LXXXll, LXXXlll, LXXXlV, LXXXV,
h 6000
6982
7000
b £12.04, £12.34, £12.40, £13.04,
LXXXVl, LXXXVll, LXXXVlll, LXXXlX,
i
7437
8000
7000
£13.20, £13.42
XC
j
9000
9534
10000
XCl, XCll, XClll, XClV, XCV, XCVl,
2 a £37.50
c £76.70
Challenge
XCVll, XCVlll, XClX, C
3
1 and 2
b £42.80
a 4000
4500 4572 4600
5000
2 Answers will vary.
3 a £64.57
c £93.99
b 4000
4100 4138 4200 5000
b £92.79
3 Answers will vary.
c 5000
5200 5269 5300
6000
Challenge
d 4000
4700 4731 4800 5000
2
1 a £45.07, £45.10, £45.99, £54.00,
Unit 9, Week 2: Number _ Addition
e 5000
5900 5934 6000 6000
£54.39, £54.93
and subtraction, incl. Measurement
f 6000
6400 6495 6500
7000
b £94.00, £94.01, £94.05, £94.15,
(money)
g 7000
7000 7065 7100
8000
£94.51, £94.55
h 8000
8400 8472 8500
9000
2 a £115.70
c £192.60
Lesson 1: Written addition (5)
3 Answers will vary.
b £117.65
Challenge
1
1 a 885
d 2687
3 a £132.93
c £459.37
Lesson 3: Negative numbers (2)
b 857
e 3258
b £159.22
Challenge
c 2647
f 2823
1
a −10
d −31
Challenge
3
1 Answers will vary.
b −13
e −36
2 a 912
d 3641
c −18
f −42
2 Answers will vary.
b 942
e 4262
c 4142
f 4171
3 Answers will vary.
547
BA Answers_Final.indd 547
BA Answers_Final.indd 547
14/02/2014 16:37
14/02/2014 16:37
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