Ratios Unit Rates Proportions Complex Fractions

What is a complex fraction?

• A really hard fraction to figure out 
• A fraction with a fraction in the numerator, denominator, or both 
• A fraction multiplied by a decimal
• A fraction with an exponent 

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Simplify the complex fraction.

• 18
• 1/18
• 9/72
• 1/8

A rate is a

• different way of solving probability.

• ratio of unknowns.

• ratio of two quantities with the same unit.

• ratio of two quantities with different units.

A unit rate is

• a rate with the numerator of one.

• a rate with the denominator of one.

There are 45 boys and 30 girls on the soccer team, which ratio shows the ratio in simplest terms

• 45 to 30

• 30:45

• 3/2

• 9/6

Your parents asked you to calculate miles per gallon for the family road trip. They drove 256 miles with 8 gallons of gas. How many miles per gallon?

• 16 miles per gallon

• 42 miles per gallon

• 24 miles per gallon

• 32 miles per gallon

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

It snowed 14 inches in 5 hours. What is the unit rate?

• 3 inches
• 1.5 inches
• 5 inches
• 2.8 inches

4 cups = 1 qt
Convert 48 cups = ____ qt

• 24 pints
• 12 qts
• 3 gallons
• 8 qts