7/8 Ratios, Rates, Percents Review

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 ways can you write a ratio

• 1
• 3
• 2
• 4

Which ratio is written incorrectly?

• X : Y
• X and Y
• X/Y
• X to Y

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4
• 4/6
• 1/3
• 10/16

What do you call a specific type of ratio that compares two different things?

• Unit Rate

• Ratio

• Rate

• Expression

What is the name of a rate where the denominator is 1?

• Fraction

• Rate

• Unit Rate

• Ratio

88 students for 4 classes

How many students in one class? (Find the unit rate)

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

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