Introduction to Ratio

In a box of sweets ¹/₂ of the sweets are gold. The rest are purple.

What is the ratio of gold sweets to purple sweets?

• 1 : 1

• 1 : 2

• 2 : 1

• 1 : 3

• 10:15

• 1:1.5

• 2:3

• 2:5

• 6:10

• 3:1

• 4:7

• 1:3

• 4:3

• 23:8

• 7:2

• 3:1

Rewrite the following statement as a ratio expressed in cm. 1mm to 12m.

Rewrite the following statement as a ratio expressed in cm.

1cm² to 25m²

Rewrite the following statements as ratios:

2 days to 1 week to a fortnight

A recipe to make enough Chicken Carbonara to feed

four people needs 250 grams of chicken. According

to this recipe, how much mincemeat would be needed to

make enough spaghetti bolognaise to feed a group of nine

people?

• 562.5 grams

• 2250 grams

• 500 grams

• 27.8 grams

Write the lengths of the following rectangle as a ratio in mm. (L:W)

Which ratio represents the ratio for cats to dogs:

• 1:2

• 1:2:3

• 2:1

• 2:3