Busy Ant Maths Pupil Book 4a Year 4 Answers - Collins Page 21
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33Progress Guide 4
Lesson 1, Extension: Square numbers
Lesson 3, Support: Multiplication using the
Lesson 3, Extension: Digital displays
expanded written method
1 and 2
1, 2
1 48#3 R 150 = 144
-
1
4
9
16 25 36 49 64 81 100 121 144
Heathrow Airport
Euston Station
a.m.
1
0
2 69#5 R 350 = 345
24-hour clock
12-hour clock
or
4
3
0
display
display
p.m.
3 74#4 R 280 = 296
9
8
5
0
01:23
01:23
1
C
16 15 12
7
0
4 39#3 R 120 = 117
01:32
01:32
25 24 21 16
9
0
1
C
5 58#4 R 240 = 232
36 35 32 27 20 11
0
02:13
02:13
1
C
49 48 45 40 33 24 13
0
6 35#6 R 240 = 210
02:31
02:31
1
C
64 63 60 55 48 39 28 15
0
03:12
03:12
81 80 77 72 65 56 45 32 17
0
1
C
Lesson 4, Extension: Multiplying by 0, 1 and
100 99 96 91 84 75 64 51 36 19
0
03:21
03:21
1
C
multiplying by three numbers
121 120 117 112 105 96 85 72 57 40 21
0
10:23
10:23
144 143 140 135 128 119 108 95 80 63 44 23
0
1
C
Game
10:32
10:32
3 Consecutive odd numbers
1
C
12:03
12:03
Unit 4, Week 3: Measurement (time)
C
1
4 Multiples of 5 adding 10 each time
12:30
12:30
C
1
5 Answers will vary.
Lesson 2, Support: 12-hour clocks
13:02
01:02
C
1
1 9:25
2 3:40
3 11:17
Lesson 3, Support: Finding factors
13:20
01:20
C
1
12
20
18
20:13
08:13
C
1
4
5
6
1, 12, 2, 6, 3, 4
1, 20, 2, 10,
1, 18, 2, 9, 3, 6
12 1
12 1
12 1
20:31
08:31
11
11
11
C
1
10
2
10
2
10
2
4, 5
3
3
3
9
9
9
21:03
09:03
C
1
4
4
4
8
8
8
24
16
40
7
5
7
5
7
5
6
6
6
21:30
09:30
C
1
1, 24, 2, 12, 3,
1, 16, 2, 8, 4
1, 40, 2, 20, 4,
23:01
11:01
C
1
8, 4, 6
10, 5, 8
23:10
11:10
7 2:53
8
9 7:01
C
1
12 1
11
36
48
100
2
10
3 24-hour clock will display times up to
9
3
1, 36, 2, 18, 3,
1, 48, 2, 24, 4,
1, 100, 2, 50, 5,
4
8
23:59. 30:12 is not a time.
7
5
6
12, 4, 9, 6
12, 6, 8,
20, 10,
Unit 5, Week 1: Number _ Number and
Lesson 3, Extension: Finding factors
Lesson 2, Extension: Fun park times
place value
16
24
28
1
1, 2, 4, 8, 16
1, 2, 3, 4, 6,
1, 2, 4, 7,
Roller Coaster
Water Splash
Anthill Train
Lesson 1, Extension: Make a 4-digit number
8, 12, 24
14, 28
Ride
Ride
Ride
Answers will vary.
44
36
40
Leaves at
Leaves at
Leaves at
1, 2, 4, 11,
1, 2, 3, 4, 6,
1, 2, 4, 5, 8,
Lesson 2, Support: 100s, 10s and 1s
1
12:00
1
11:00
1
10:00
22, 44
9, 12, 18, 36
10, 20, 40
1 0
20
320 324 344 644 645
2
12:10
2
11:15
2
10:20
72
48
100
3
12:20
3
11:30
3
10:40
2 0
2
402 702 722 742 762
1, 2, 3, 4, 6,
1, 2, 3, 4, 6,
1, 2, 4, 5, 10,
4
12:30
4
11:45
4
11:00
3 0
400 450 455 457 497 597
8, 9, 12, 18,
8, 12, 16,
20, 25, 50,
5
12:40
5
12:00
5
11:20
24, 36, 72
24, 48
100
4 0
20
320 330 830 850 852
6
12:50
6
12:15
6
11:40
5 0
6
306 356 357 377 677
Unit 4, Week 2: Number _
7
1:00
7
12:30
7
12:00
6 0
6
306 316 318 818 918
8
1:10
8
12:45
8
12:20
Multiplication and division
2 5 min
Lesson 3, Support: Rounding
Lesson 1, Support: Multiplication using
3 12:40
1
360
367
370
partitioning
4 2:00
367 rounds to 370
1
45#5 R 250 = 225
2
280
284
290
Lesson 3, Support: 24-hour clocks
2
86#9 R 810 = 774
284 rounds to 280
1 a 16:45 b 18:22
c 20:57
3
56#5 R 300 = 280
3
340
341
350
d 22:16 e 21:31
f 15:04
341 rounds to 340
4
54#6 R 300 = 324
2 a
b
c
4
370
375
380
5
79#3 R 240 = 237
12 1
12 1
12 1
11
11
11
10
2
10
2
10
2
375 rounds to 380
6
77#7 R 560 = 539
9
3
9
3
9
3
4
4
4
8
8
8
5
420
428
430
7
5
7
5
7
5
7
36#5 R 200 = 180
6
6
6
428 rounds to 430
8
66#6 R 420 = 396
6
510
519
520
9
74#4 R 280 = 296
519 rounds to 520
10 58#8 R 480 = 464
7
550
552
560
552 rounds to 550
Lesson 1, Extension: Multiplication using
partitioning
8
520
526
530
Game
526 rounds to 530
556
BA Answers_Final.indd 556
BA Answers_Final.indd 556
14/02/2014 16:37
14/02/2014 16:37
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