6.4C Examples of Ratios

What is a Ratio?

• Is a multiplicative comparison of two quantities 

• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

What is the ratio of red circles to blue stars?

• 3:4
• 7/4
• 11/4
• 4 to 7

There are 4 birds and 6 snakes. What is the ratio of birds to total animals?

• 4/10
• 4/6
• 6/4
• 10/4

What is the ratio of green marbles to red marbles?

• 3/2

• 3/1

• 3/3

• 2/3

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

Is the following ratio part to part or part to whole?
5 out of 23 kids in a class play trumpet

• Part to part
• Part to whole

A A A A A to A A A A A A A A A
What is the ratio of red A to blue A?
Is this a part to part or part to whole questions? 

• part to part
• part to whole

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

What is the ratio of red dots to total dots

• 6:5

• 5 to 6

• 5:11

• 11:5

Ms. Patten has 20 soccer balls and 12 cones. What is the ratio of cones to soccer balls?

• 20 to 12

• 20 to 32

• 13 to 32

• 12 to 20