What is a Ratio?

• Is a 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

How many different ways can you write a ratio

• 1
• 2
• 3
• 4

Which is NOT a way to represent a ratio?

• As a fraction
• Using the word "to"
• With a colon (:)
• None.  All of these are ways to write a ratio.

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

what is the ratio of seals to turtles?

• 5 : 3
• 3 to 5
• 3 of 5
• 3 : 8

What is the ratio of squares to stars?

Write your answer as two numbers separated by a colon (for example, 2:3).

For a recipe, Brutus uses 4 cups of sugar for every 5 cups of flour. Which of the following show equivalent ratios for sugar to flour?

• 4/5=8/10 =12/15
• 4/5 = 5/6 = 6/7
• 4/5 = 3/4 = 2/3
• 4/5=8/15=16/45

Which ratio is equivalent to 3:4

• 12:14
• 6:8
• 4:3
• 20:15

The ratio of 6th graders to 7th graders at a basketball game is 4:1.  If there are eight 7th graders, how many 6th graders are there?

• 28
• 16
• 8
• 32

Which of the following ratios are NOT equivalent to 20:24?

• 10:12
• 5:6
• 15:18
• 16:20