Notes:
Question 1)
a) i. £9.43
ii 3
iii. 54
b) i. >
ii. <
iii. =
Question 2)
3.9kg = 4kg
87p = 90p
4 x 90 = £3.60
answer: £3.60
Question 3)
a) i. 3/7 = 12/28
ii. 4 1/2 = 9/2
b) 10 / 15 - 3/15 = 7/15
answer: 7/15
Question 4)
a) answer: 0.21
b) answer: 0.08
Question 5)
a) i. 5 to the power of 2 = 25
ii. 4
b) 8 x7 = 56
answer: 56
Question 6)
a) i. 32
ii. 42 + 3 = 45
45 / 5 = 9
answer : 9
b)
y = 5x - 3
Question 7)
x = 55 because alternate
y = 70 because corresponding
Question 8)
a) i. C
ii. A
iii. E
b) 20 + 16 = 36
36 / 2 = 18
18 / 3 = 6
answer : 6
Question 9)
a) she travels at constant speeds
b) 36
c) From 10:30 to 11:00 shown on the graph by distance from home stays the same
d) I. watch a yt video
ii. (36 / 40 )x 60 = 54
answer: 54
Question 10)
a) I. t + 8u
ii. 12a to the power of 3
b) x = square root y + 1
Question 11)
b) positive correlation
Question 12)
5 x 12 + 2 = 62
62 x 2.5 =155
Alice is correct
Question 13)
a) 12
b) 140 / ( 20 /5 ) =35
answer : 35
c) (210 / 60 )x 20 = 70
Rashid is incorrect
Question 14)
a) look at answers
b) enlargement 1/3 (4,4)
Question 15)
a) profit = 1.68 - 1.20 = 0.48
0.48/ 1.20 = 0.4
0.4 x 100 = 40%
answer : 40%
b) 100 - 20 = 80
80% = 0.8
360 / 0.8 = 450
answer : £450
Question 16)
a) 1.06m = 106cm
(106 - 80) / 4 = 7
answer: 7
b) the days would be smaller
Question 17)
a) First Pick Second pick
red = 4/7 Red = 4/7
blue = 3/7 Blue = 3/7
Red = 4/7
Blue = 3/7
b) 16 / 49
Question 18)
100 - 15 = 85%
85% = 0.85
adult ticket = 80 x 0.85 = 68
child ticket = 40 x 0.85 = 34
(68 x 2) + 34 = 170
170 x 1.02 = 173.40
answer: £ 173.40
Question 19)
3/5 of 40 = 24
24 / 2 = 12
12 + 24 = 36
answer: 36
Question 20)
my answers:
Notes:
Question 1)
a) obtuse
b) 45
Question 2)
a) 3 : 7
b) 50 / 20 = 2.5
answer: 2.5
Question 3)
5 x ( 3 -1) = 10
(3 + 6 - 2) / 2= 3.5
Question 4)
40 x 0.2 = 8
answer: 8
Question 5)
a) 10
b) 1
Question 6)
a) 30, 60, 90, 120, 150
b) 30
Question 7)
a) (2.3)
b) watch a yt video
Question 8)
3(4) - 5 = 7
answer = 7
Question 9)
a) you know how to answer this question
b) 64 dots because 8 x 8 = 64
c) 14
Question 10)
a) Gaming
b) if you simplify 150/ 360
c)
150 + 90 + 30 = 270
360 - 270 = 90
360 degrees = 300 minutes
( divide by 4)
90 degrees = 75 minutes
75 minutes = 1 hour and 15 min
answer = 1 hour and 15 minutes
Question 11)
a) 12
b)
vanilla / lemon / chocholate
wafer = 24 4 10 10
no wafer = 41 12 15 14
c) V = 4 + 12 + 9 + 1 = 26
L = 10 + 15 + 10 = 35
C = 10 + 14 + 11 + 4 = 39
answer : chocolate is the most popular
Question12)
35 - 5 = 30
4x = 30
30 / 4 = 7.5
x = 7.5
answer: 7.5
Question 13)
(240 / 40) x 1.3 x 4.5 = 35.1
answer: 35.1
Question14)
14 000 - 10 000 / 1700 = 2.35
answer : 3
Question 15)
a) 200 / 50 = 4
7 x 4 = 28
answer : 28g
b) (9/ 8) x 10 = 11.25
answer : 11 .25
Question 16)
Question 17)
a)
6 . 48 x 10 to the power minus 5 as an ordinary number = 0.0000648
b)
Question 18)
Question 19)
a)
Question 20)
Question 21)
23/ 50 x 300 = 138
(300 - 138) / 3 x 2 = 108
answer: 108
Question 22 )
Question 23 )
Question 24 )
Question 25 )
no because 6/10 = 0/6 and 11/ 15 = 0.7
Question 26 )
a) 4.045 and 4.055
b) 4
Question 27 )
( x + 5) ( x -2)
answer: x = -5 and x = 2
Question28 )
a) I. h to the power of 0
ii. f to the power of 6
my answers:
