Exploring Rate and Unit Rate Concepts

What is a ratio?

• A comparison of two different units

• A specific type of rate

• A method to calculate speed

• A comparison of two quantities with the same or no units

What distinguishes a rate from a ratio?

• Rates compare the same units

• Rates are always larger values

• Rates are used only in scientific contexts

• Rates include different units

What is necessary to remember when dealing with rates?

• Always use the same units

• Units must be written and they must be different

• Only numerical values are important

• Rates do not require units

How is a unit rate different from a rate?

• It is always calculated in terms of money

• It does not involve numbers

• It is a simpler form of a ratio

• It compares to one unit of measure

What does the term 'per' indicate in the context of unit rates?

• None of the above

• Per thousand units

• For each unit

• Per hundred units

In the context of unit prices, what does the example of $8 for 4 barrettes illustrate?

• None of the above

• How to multiply unit cost

• How to find the price per unit

• How to calculate total cost

What is the unit rate if a car travels 320 miles in 8 hours?

• 25 miles per hour

• 32 miles per hour

• 50 miles per hour

• 40 miles per hour

How do you calculate the unit price of an item?

• Add the cost of all items together

• Multiply the cost of one item by the total number of items

• Subtract the cost of one item from the total cost

• Divide the total cost by the number of items

What is the unit price of a can if a 12-pack of Coca-Cola costs $5.67?

• $0.47 per can

• $1.00 per can

• $0.75 per can

• $0.50 per can

If it takes 16.5 minutes to swim three laps, how many minutes does it take per lap?

• 4.5 minutes

• 5.5 minutes

• 6.5 minutes

• 5.0 minutes