Percentages
Standard Form
Ratio
Area
BIDMAS
100
What is 25% of 120

30

100

Write 13400 in standard form

1.34 x 104

100

Simplify 4:8

1:2
100

What is the area of a square?

length x height

100

32 - 4

5

200

Increase 120 by 25% 

150


200

Write 0.00033 in standard form

3.3 x 10-4

200

Simplify 12:18

2:3
200

What is the area of a triangle?

1/2 x base x height

200

3(4 - 5) + 1

4

300

Decrease 700 by 75%

700 - 525 = 175

300

What is 2.34 x 107

23400000

300

What is 20 shared into the ratio of 1:4

4:16

300

What is the area of a parallelogram 

length x vertical height

300

5 + 32 - 6 x 4

-10
400

Which is bigger, 10% of 54 or 15% of 81?

15% of 81

400

What is 4.2 x 10-4

0.00042

400

Write 3:9 in the form 1:n

1:3

400

What is the area of a circle?

pi x radius2

400

(22 + 6) x 4

40

500

If I make 5% interest on £120 for 2 years, how much money will I make?

£132.3

500

what is 3.3 x 104 - 1.4 x 103

31600 or 3.16 x 104

500

There are 27 students in a class. How many are boys and how many are girls using the ratio 2:7

6:21

500

What is the area of a trapezium

1/2 x top + bottom x height

500

(22 x 5) / 2 - 11

-1

M
e
n
u