Math 5- 2nd Quarter

Ratio is a comparison of two or three quantities.

• False

• True

Don has 5 green marbles, 4 blue marbles and 3 red marbles. What is the ratio of the number of blue marbles to red marbles to green marbles?

• 4 : 5 : 3

• 4 : 3 : 5

• 5 : 3 : 4

What is the ratio of the number of consonants to the number of vowels to all the letters in the English alphabet?

• 5 : 21 : 26

• 5 : 26 : 21

• 21 : 5 : 26

The ratio of the number of days in a month to 1 week is 30 : 7.

• False

• True

There are 17 boys in a class of 30 students. What is the ratio of the number of girls to the number of boys?

• The ratio of the number of girls to the number of boys

• The number of girls

• The number of boys

• The number of students in all

Simplify the given ratio.

12 : 18

• 3 : 2

• 3 : 4

• 2 : 3

Reduce the ratio to its lowest term.

50 : 25

• 1 : 2

• 2 : 1

• 10 : 5

Write the ratio in its simplest form.

24 : 9 : 15

• 8 : 3 : 5

• 6 : 2 : 5

• 9 : 4 : 5

Which terms are called the means?

6 : 8 = 18 : 24

• 8 and 18

• 6 and 24

• 6 and 8

• 18 and 24

Do the two ratios below form a proportion?

10 : 5 = 6 : 3

• No

• Yes