Sharing Ratios

What is the missing number in the ratio table?

• 21

• 24

• 27

• 25

Which ratio is not equivalent to the others?

• 1:2

• 2:4

• 4:8

• 6:8

Complete the table.

• 30

• 20

• 15

• 5

Which statement best describes what a ratio is.

• A number

• A comparison of two quantities using division.

• A comparison

• A comparison of many things.

If the ratio of cats to dogs is 3:4, how many cats are there if there are 20 dogs?

• 15 cats

• 25 cats

• 30 cats

• 10 cats

• 4

• 6

• 8

• 12

What number goes in the blank? These are equivalent ratios. (Hint: make a ratio table and look for patterns.)

If the ratio of blue marbles to red marbles is 5:3, how many blue marbles are there if there are 18 red marbles?

• 30

• 15

• 21

• 24

Anna and Betty share £20 in the ratio 1:3. How much does Anna get?

• £4

• £1

• £5

• £3

• 10

• 12

• 14

• 16