Pre-test - Ratios

A ratio is...

• the difference between two numbers.
• a comparison of two numbers by division.
• a comparison of two numbers by multiplication.
• the sum of two numbers.

Tell if the ratio is part-to-part or part-to-whole.
4 apples to 3 oranges

• Part-to-Part
• Part-to-Whole

Tell if the ratio is part-to-part or part-to-whole.
In a a mini bag of M&Ms, there are 16 M&Ms and 5 of them are red.

• Part-to-Part
• Part-to-Whole

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4
• 2:5
• 2:11
• 11:2

Tommy has a bag of LEGOS.  There are 6 yellow, 3 red, and 8 blue LEGOS.  What is the ratio in simplest form of red to yellow LEGOS?

• 1/2
• 6/3
• 2/1
• 3/6

What is the ratio of stars to circles?

• 11:4

• 4:11

• 15:4

• 4:15

A container holds 20 total marbles. There are 13 red marbles and the rest are blue. Choose the correct ratio of blue marbles to red marbles. 

• 13:7
• 7:13
• 20:7
• 13:20