Question 1)
a) i. 44
ii. Acute angle
b) parallel
Question 2)
a) i .>
ii. =
b) 184 300
c) 0.625
Question 3)
a) 42
b) 81
c) 11, 23 and 41
Question 4)
a) 1/5 of 40 = 8
10% of 40 = 4
8+4 = 12
40 - 12 = 28
28/40 = 7/10
answer : 7/10
Question 5)
a) i. ( 4.3)
ii. ( -2, -1)
b) you know how to do this / watch a yt video
c) you know how to do this / watch a yt video
Question 6)
17% = 0.17
0.17 x 54 =9.18
answer : 9.2
Question 7)
a) 12t - 10u
b) 5 ( v + 4w)
c) ( x + 3) (x + 7 )
x + 3 = 0 x + 7 = 0
x = -3 x = -7
answer : x = -3 or x = -7
Question 8)
a) 240
b) 10
c) 1.3kg = 1300g
15 / 6 = 2.5
550 x 2.5 = 1,375g
answer : No,
Question 9)
a) 30
b) i. Name of scorer / Number of goals / Angle of sector
Wayne / 48 / 144 /
Harry / 5 / 15 /
Obi / 24 / 72 /
Anthony / 13 / 39 /
ii. watch a YT video
Question 10)
52/ 61 = 0.852
0.852 x 100 = 82.5%
answer: No because, he has scored 85.2%
Question 11)
53 x 6 = 318
answer: Garry is incorrect, 7 coaches are needed.
Question 12)
S = D / T ----> D = S x T
D = 2 x 16 = 32m
S = 32 /4 = 8mph
answer : 8 mph
Question 13)
a) 3
b) 25,000cm = 250m
1cm : 250m = 6cm : 1500m
answer : 1.5km
c) 6/13
Question 14)
a) 5.43 x 10 to the power of 5
b) 0.063
c) Pierre is incorrect because 24.4 is not in standard form. It should be 2.44 x 10 to the power of 8
Question 15)
86 - 14 = 72
72 / 6 = 12
answer : £12
Question 16)
watch a yt video
Question 17)
2017 - 2014 = 3 years
5% = 0.05
240 000 x 1.05 to the power of 3 = 277 830
answer : £277 830
Question 18)
a) you know how to the working out
answer : 2 x 5 x 7 to the power of 2
b) 25, 50, 75, 100 . 125, 150, 175 , 200
40, 80. 120 . 160, 200
LCM = 200
200m = 3 hrs and 20 minutes
9am + 3 hrs and 20 minutes = 12:20
answer : 12 : 20 pm
Question 19)
To the shops From the shops
bus = 0.3 bus = 0.8
walks = 0.7 walks = 0.2
bus = 0.8
walks = 0.2
Question 20)
1 - 0.24 = 0.76
Question 21)
112% = 38.64
( / 112)
1% = 0.345
( x 100)
100% = 34.5
answer : 34.5
Question 22)
Question 23)
Question 24)
Notes:
Question 1 )
a) you know how to answer this question
b) you know this question
c) 18 / 60 = 0.3
0.3 x 100 = 30
answer: 30
Question 2 )
a) I. 7 1/4
ii. 63 / 7 = 9
9 x 4 = 36
answer: 36
b) 4/5 = 0.8
7/9 = 0.77
answer: 4/5 is bigger because if you convert it into a decimal, the number is bigger.
c) 1/5 = 8/40 1/4 = 10/40
answer: 9/40
Question 3 )
a) 12.4 x 10 = 124 not 12.4
b) 6.45 x 4 / 3 = 8.6
answer: £8.60
Question 4 )
a) I. 3.2
ii. 115
b)
Question 5 )
a) you know how to solve this
b) you know how to solve this
Question 6 )
a) corresponding
b)
Question 7 )
1p coin - 3/10 = 6 / 20
6 x 1 = 6
2p coin - 2/5 = 8 /20
2 x 8 = 16
16 + 6 = 22
57 - 22 = 35
35 / 5 = 7
7 - 2 = 5
5/20 ( 5p coins )
1/20 ( 10p coins)
answer: 1p ( 6) , 2p (8), 5p (5), 10p ( 1)
Question 8 )
a) I. 11
ii. 1/16
b)
(3) to the power of 2
answer: 9
c) 5
Question 9 )
a)
7 x 5 = 35 hours
420 / 35 = 12
answer : 12
b)
I. 20% is reasonable because she is only missing out one day.
ii. 420 x 0.8 = 336
answer = £336
Question 10 )
a) I. 4 - n
ii. 2n
b) 4 x 4 / 3
answer: 16 /6
Question 11 )
a) 18,29
b) 7
c) y-x, x+y, 2y + x
Question 12 )
a) to make it easier to work out the area
b) 6400 x 3 = 19,200
answer: 19,200
Question 13 )
a) just look at the answers
b) 9 x 6 = 54
answer: 54
Question 14 )
30/330 = 1/11
answer : 1/11
Question 15 )
160 / 2.5 = 64
answer: 64
Question 16 )
8 + 3 = 11
(6400 + 16200) / 11
answer: yes
Question 17 )
a) x = y+3/7
b) I. you know how to solve this
ii. ( x+6)( x + 2)
Question 18 )
75 x 4 = 300
300 - (76 x 2 ) = 148
answer: 69.76,76,79
Question 19 )
a) 11/3: 5/2
answer: 22:15
b) 90 + 132 + 36 = 258
answer: 258
Question 20 )
Question 21 )
a)
b) all the sides are the same length
my answers: