FDP
Convert 0.03 into a percentage.
3%
What is 10% of 275?
27.5
Simplify the ratio:
28 : 35
4 : 5
What is the formula for finding the area of a semi-circle?
πr2 / 2
Convert 2/5 into a percentage.
40%
What is 25% of 64?
16
Write the ratio 6 : 11 in the form 1 : n.
1 : 11/6
Calculate the area of a circle with a radius of 6 cm.
Give your answer in terms of π.
36π cm2
Convert 0.375 into a fraction, in its simplest form.
3/8
Convert a 30% decrease into a percentage multiplier.
0.7
Share £68 in the ratio 3:7.
20.4 : 47.6
Calculate the area of a three-quarter circle with a radius of 10m.
Give your answer in terms of π.
75π m2
Complete the inequality below:
Choose the correct symbol from <, >, =.
8/5 ……… 1.58
8/5 > 1.58
15% of a value is 51.
What was the original amount?
340
There are 65 black socks in a drawer.
The number of white socks to black socks in the drawer is in the ratio 7:5.
Find the number of white socks.
91
The area of a circle is 169π cm2.
Calculate the radius, r, of the circle, in terms of π.
r = 13cm
List these values in descending order:
7/8 0.0087 78% 3/4
0.0087 3/4 78% 7/8
Increase 18 by 20%.
21.6
The ratio of Abby’s savings to Bethany’s savings is 3:8.
The ratio of Bethany’s savings to Carol’s savings is 6:5.
Find the ratio of Abby’s savings to Carol’s savings.
9 : 20
The area of a circle is 81π mm2.
Calculate the circumference of the circle, in terms of π.
18π mm