Maths Revision 4

How much is 7/9 of 18

• 12

• 14

• 15

• 7

Answer explanation

Divide by the bottom, multiply by the top!

If 5/8 of a number is 40, what is the number?

• 45

• 25

• 64

• 72

Answer explanation

The whole number equals 8/8.

If 5/8 of a number is 40, 1/8 of the number is 8.

8 x 8 = 64

6/7 = ?/21

• 18

• 24

• 12

• 20

Answer explanation

21 divided by 7 is 3, multiplied by 6 = 18

What is 7/8 - 4/5?

• 3/5

• 3/40

• 3/8

• 2/20

25/40 of the oranges in a box were rotten. Write the fraction of rotten oranges in its lowest terms. (simplify)

Answer explanation

25 and 40 can both be divided by 5.

25 divided by 5 = 5

40 divided by 5 = 8

Therefore my answer is 5/8. I can't break it down any further.

What is 3/4 x 18 as a mixed fraction in its lowest terms?

• 54/4

• 19 18/4

• 13 3/4

• 12 1/4

A triangle with no equal sides is called a ________ triangle

What is this shape called?

• parallelogram

• rhombus

• kite

• trapezium

Can this shape tesselate?

• No

• Yes

Which fraction is a reciprical fraction for 4/7?

• 8/14

• 2/7

• 8/24

• 4/21