Ratios Rates Unit Rates and Complex Fractions

A complex fraction is NOT

• a fraction with a fraction in the numerator

• a fraction with a variable

• a fraction in both the numerator or the denominator

• a fraction with a fraction in the denominator

Which one is NOT a ratio?

• 7-4

• 7/4

• 7/4

• 7:4

While exercising Loghan walked 1⁄8 of a mile in 1⁄6 of an hour. At this rate,how far will he have traveled after an hour?

• 1/48 of a mile

• 3/4 of a mile

• 1 mile

• 6/8 of a mile

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

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

A comparison of two quantities (amounts)

• Ratio

• Proportion

• Rate

• Multiplicative Relationship 

What is unit rate?

• A comparison of 2 values.

• A rate with a denominator as 1.

• A rate with a denominator as 10.

• A rate that shows you how much you pay per dollar.

Which of the following is NOT a unit rate?

• ^{2 cars}

  1 lane

• 45 miles per hour

• 27 sandwiches in 3 weeks

• 2 tanks of gas

  1 yard

What is unit price?

• A comparison of 2 quantities (values).

• A rate with a denominator as 1.

• A rate with a denominator as 10.

• A rate that shows you how much you pay per dollar.

A complex fraction is....

• a comparison of 2 values.

• a rate with a denominator as 1.

• a rate with a denominator as 35.

• a fraction divided by another fraction.