Ratios, Proportions, Unit Rate Best Buy

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Tags

CCSS.5.NBT.B.6

CCSS.5.NF.B.3

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 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

If I have the following ratio, do I need to scale up or down?
1                 2
---  =         ----
3               ?

• up (multiply)
• down (divide)

What is the ratio to the picture shown, triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• 1 to 2
• 1 to 3
• 2 to 1
• 3 to 1

**PROPORTION***
If mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

• 7
• 9
• 10
• 2

Name the percent equivalent to ³/₄?

• 45 %
• 35 %
• 75 %
• 10 %

Write 0.6 as a percent.

• 6%
• 60%
• 0.6%
• 600%

• 20 pencils
• 24 pencils
• 96 pencils
• 48 pencils