Ratios Rates Unit Rates and Complex Fractions

Mr. Keys made $90 in 5 hours.  What is the unit rate?  

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

Convert to a decimal
 
                   3/8

• .325

• .250

• .500

• .375

What are complex fractions? 

• Fractions that are too confusing.

• Fractions with one or more fractions in the numerator, denominator, or both.

• Fractions that are fun.

• I don't know. 

Unit rates are....

• ratios whereby the amount given is per 1 unit

• ratios whereby the amount given is per 2 units

• ratios whereby the amount given is per 10 units

Find the unit rate for 10 apples that cost $2.00

• $20.00 per apple

• $0.20 per apple

• $0.50 per apple

If there are 2 cats and 5 dogs what is the ratio of cats to dogs?

• 2:5

• 5:2

• 10:1

What is the ratio of strawberries to the total if there are 20 strawberries and 35 grapes?

• 20:35

• 35:20

• 20:55

To find a unit rate you must

• add

• subtract

• multiply

• divide

Two ratios that are equal are called

• problems

• fractions

• proportions

Which is an example of a complex fraction?