Pre-lesson Quiz - Whole numbers 2 - Ratios

Write 24:32 in its simplest form

• 12:16

• 6:8

• 4:8

• 3:4

Write 3km : 900m in its simplest form

• 1:300

• 3000:900

• 3:9

• 1:3

If 3 : 7 then 12 : ?

• 21

• 28

• 48

Divide 36 into a ratio of 2 : 3 : 4

(a)  

Write the ratio 0,7 : 0,42 in its simplest form

• 7:42

• 7:6

• 1:6

• 6:42

A rectangle has a lentgth of 9 and a breadth of 8. What is its perimeter?

(a)  

A rectangle has a length of 12 and a breadth of 5. What is its area?

(a)  

 $\pi\times r\times r$  is the formula for the ? of a circle

• area

• perimeter

• circumference

• diameter

The sum of the angles of a triangle is...

• 100

• 120

• 160

• 180

If you divide 48 in a ratio of 12:36, that is the same as a ratio of

• 1:3

• 2:3

• 6:18

• All of these answers are true