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WorksheetsY9 Spring Quiz
Total questions: 25
Worksheet time: 26mins
Round 36.7 to the nearest whole number.
36
40
30
37
Round 478 to the nearest ten.
400
470
480
500
Round 0.246 to one decimal place.
0.2
0.24
0.25
0.26
Round 368 to one significant figure.
300
370
400
4
Round to 0.2593 to 2 significant figures.
0.26
0.3
25
0.29
By rounding each number to one significant figure first, estimate the answer to
9.82245 ×36
898.167
800
900
882
An electricity company uses the formula below to calculate bills. How much is Scott's bill if he uses 350 units of electricity? Give your answer in pence [p].
c = cost in pence [p]
n = number of units of electricity used
16365p
5615p
381p
56.15
What is the y-intercept of this line?
7
-3
6
-5
What is the gradient of this line?
6
-3
-2
2
What is the equation of the straight line shown below?
y = 6x + 2
y = 2x + 6
6x + 2
2x + 6
A box contains 12 purple marbles, 8 white marbles and 16 blue marbles. What is the ratio of purple to white to blue marbles in its simplest form?
12:8:16
3:2:4
6:4:8
2:3:4
Rewrite the ratio 15:48 as an equivalent ratio of the form 1:n.
Give any decimals in your answer to 1 d.p.
5 : 16
1 : 3.2
3.1 : 1
3.125 : 1
A salad dressing is made by mixing oil and mayonnaise in the ratio 5:2.
Jack makes 700ml of the salad dressing.
How much oil does he use?
Give your answer in millilitres (ml).
500:200
500ml
200ml
300ml
The ratio of a screen's width to its height is 4:3.
The height of the screen is 36cm.
What is its width in centimetres (cm)?
20.6cm
27cm
48cm
15.4cm
Find 10% of 320
3
32
3.2
30
Find 1% of 560
5.6
5
6
56
Work out 4% of 300
3
12
30
120
Work out 14% of 600kg
Give your answer in kilograms (kg).
60
6
24
84
What is 103% of 60?
60.18
60.6
1.8
61.8
Increase 580 by 25%
145
435
725
638
A jug contained 600ml of water. Thomas then increased the amount of water in the jug by 13%.
How much water was in the jug after the increase?
Give your answer in millilitres.
(ml).
78 ml
522 ml
687 ml
678 ml
What number is 3% larger than 900?
903
18
882
918
A recycling bin contains 3kg of plastic and 500g of paper. What is the ratio of plastic to paper in the bin? Give your answer in its simplest form.
3:500
3000:500
30:5
6:1
The length of a river on a map is 2cm.
The real length of the same river is 300m.
What is the ratio of the length of the river on the map to the real length of the river?
Give your answer in its simplest form.
2:300
2:30000
1:15000
1:150
Some film-makers used 80 minutes of footage to make a documentary.
They recorded an extra 40 hours of unused footage.
What is the ratio of used footage to unused footage?
Give your answer in its simplest form.
1:30
8:240
80:2400
80:40
