Ratio and proportion

There are 10 blue and 20 red boats (30 in total). What proportion are blue?

1. A1/3
2. B1/2
3. C2/3
4. D1/10

'1 in every 4 beads is white.' What proportion of the beads are white?

1. A1/4
2. B4/1
3. C3/4
4. D1/3

Zara has 10 blue and 5 red pens (15 in total). What proportion are red?

1. A1/3
2. B1/2
3. C2/3
4. D5/5

The phrase 'for every' is used to describe proportion.

In a group of 20, 7 are red. What percentage are red?

In a group of 100, 75 are red. What percentage are red?

In a group of 20, 8 are red. What percentage are red?

In a group of 25, 8 are red. What percentage are red?

In a group of 100, 69 are red. What percentage are red?

In a group of 20, 3 are red. What percentage are red?

In a group of 50, 1 are red. What percentage are red?

In a group of 20, 16 are red. What percentage are red?

There are 1 apples for every 9 oranges. What is the ratio of apples to oranges?

1. A1 : 10
2. B1 : 9
3. C9 : 1

There are 6 apples for every 3 oranges. What is the ratio of apples to oranges?

1. A6 : 3
2. B3 : 6
3. C6 : 9

There are 2 circles for every 2 squares. What is the ratio of circles to squares?

1. A2 : 2
2. B2 : 2
3. C2 : 4

There are 3 apples for every 7 oranges. What is the ratio of apples to oranges?

1. A3 : 10
2. B3 : 7
3. C7 : 3

There are 3 apples for every 9 oranges. What is the ratio of apples to oranges?

1. A9 : 3
2. B3 : 9
3. C3 : 12

There are 1 red for every 8 blue. What is the ratio of red to blue?

1. A1 : 8
2. B8 : 1
3. C1 : 9

There are 5 apples for every 5 oranges. What is the ratio of apples to oranges?

1. A5 : 10
2. B5 : 5
3. C5 : 5

There are 8 circles for every 2 squares. What is the ratio of circles to squares?

1. A8 : 10
2. B8 : 2
3. C2 : 8