Ratios - Triangular Prisms

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are blue?

• 1/4

• 3/4

• 1/3

• 2/3

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are red?

• 1/4

• 3/4

• 1/3

• 3/1

Solve the ratio problem: If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many girls are there?

• 30

• 12

• 40

• 18

Compare the ratios 2:3 and 4:6. Are they equivalent?

• No

• Maybe

• Yes

• Not sure

Solve the ratio problem: If the ratio of cats to dogs in a pet store is 5:7 and there are 35 cats, how many animals are there in total?

• 84

• 49

• 85

• 70

If the ratio of pencils to pens in a box is 4:9 and there are 16 pencils, how many pens are there?

• 18

• 36

• 32

• 28

Simplify this ratio: 49:56

• 6:7

• 7:7

• 7:8

• 8:7

The ratio of boys to girls in a classroom is 7:2. If there are 28 boys how many girls are there?

• 8

• 6

• 10

• 14

The ratio of flour to sugar in a recipe is 50g:120g. If I use 150g of flour, how much sugar will I need?

• 180g

• 220g

• 360g

• 240g

In Edinburgh Zoo, the ratio of penguins to lions to tigers is 25:4:5. If there are 200 penguins, how many lions are there?

• 32

• 20

• 16

• 24