Proportional Relationships (1.1 & 1.2)

Find the Unit Rate.

405 rotations in 5 minutes

• 81 rotations per minute

• 73 rotations per minute

• 18 rotations per minute

• 810 rotations in 10 minutes

Mary is having a party with twelve of her friends. She has 72 ounces of lemonade to provide for drinks. How many ounces of lemonade should be given to each friend?

• 7 ounces per serving

• 72 ounces for 24 servings

• 6 ounces per serving

• .16 ounces per serving

What is a unit rate?

• A comparison of two quantities where the denominator is always 1 unit
• A rate that compares 2 different quantities
• a rate with units 
• a comparison of two quantities where the first quantity is always 1

Shawn makes $7.50 an hour to babysit for her next door neighbors. Is this a proportional relationship?

• Proportional

• Non-proportional

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10

There are 60 cookies and 10 cupcakes leftover at a bake sale. What is the ratio of cupcakes to cookies? Your answer It must be in simplest form.

• 6 to 1
• 1:6
• 30:5
• 14:56

What does the ( E )in PEMDAS mean?

• experience

• exponents

• examples

• erase

The constant of proportionality is also the unit rate.

• True
• False

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

A unit rate is a ratio with:

• A denominator of 1
• A numerator of 1