Unit Rates and Best Value

The video tutorial covers the concept of unit rates, explaining how to determine and calculate them through various examples. It includes scenarios like biking, gas mileage, and shopping to illustrate the practical application of unit rates. The tutorial also explores how to compare unit rates to find the best buy, using examples like dog food and peanut butter brands. The focus is on understanding the importance of unit rates in everyday decision-making.

What is a rate?

• A mathematical operation

• A single quantity with no comparison

• A comparison of two quantities with different units

• A comparison of two quantities with the same units

How is a unit rate different from a regular rate?

• It has a denominator of one

• It is not simplified

• It has a numerator of one

• It compares the same units

In the example of heartbeats per minute, what is the unit rate?

• 160 beats per minute

• 80 beats per minute

• 40 beats per minute

• 160 beats per 2 minutes

Adrien biked 24 miles in 4 hours. What is her speed in miles per hour?

• 8 miles per hour

• 4 miles per hour

• 10 miles per hour

• 6 miles per hour

If $300 is earned in 6 hours, what is the hourly rate?

• $60 per hour

• $40 per hour

• $50 per hour

• $30 per hour

A car travels 220 miles on 8 gallons of gas. What is the gas mileage in miles per gallon?

• 25 miles per gallon

• 27.5 miles per gallon

• 30 miles per gallon

• 32.5 miles per gallon

What is the unit price for juice boxes if 8 boxes cost $2?

• 35 cents per box

• 25 cents per box

• 30 cents per box

• 20 cents per box

If a four-pack of fruit cups costs $2.12, what is the cost per cup?

• 53 cents per cup

• 55 cents per cup

• 60 cents per cup

• 50 cents per cup

Lexi painted two faces in 8 minutes. How many faces can she paint in 40 minutes?

• 8 faces

• 12 faces

• 10 faces

• 14 faces

What does 'better buy' mean in terms of unit rates?

• The lowest unit rate

• The cheapest total price

• The highest unit rate

• The most expensive total price