Understanding Unit Rates

This video tutorial from MooMooMath and Science explains the concept of unit rate, which is a type of ratio where one of the terms is one. The video provides examples of how to calculate unit rates, such as determining the cost per ounce of a beverage or the number of items per unit. It also demonstrates solving unit rate problems using cross multiplication and offers a shortcut method for quick calculations.

What is a ratio?

• A comparison of two numbers or measurements

• A type of fraction

• A unit of measurement

• A mathematical operation

How can you express a rate?

• As a fraction or using a colon

• As a decimal

• As a percentage

• As a whole number

How can you rewrite the rate 84 cents for 12 ounces using a colon?

• 84:1

• 1:12

• 84:12

• 12:84

What is a unit rate?

• A rate expressed as a percentage

• A rate with equal numerator and denominator

• A rate with a numerator of one

• A rate with a denominator of one

What does a unit rate of 7 cents per ounce mean?

• You pay 7 cents for every 5 ounces

• You pay 7 cents for every 1 ounce

• You pay 7 cents for every 10 ounces

• You pay 7 cents for every 7 ounces

If you have 100 oranges from 20 trees, what is the unit rate of oranges per tree?

• 4

• 5

• 6

• 7

For every 225 calls, 5 sales are made. What is the unit rate of sales per call?

• 50

• 45

• 55

• 60

What is the result of cross-multiplying 100 over 20 to find the unit rate?

• 100 is equal to 50

• 100 is equal to 20

• 100 is equal to 5

• 100 is equal to 25

What is the shortcut method for finding a unit rate?

• Divide the numerator by the denominator

• Subtract the denominator from the numerator

• Multiply the numerator and denominator

• Add the numerator and denominator

If you travel 224 miles in 2 hours, what is the unit rate in miles per hour?

• 114

• 112

• 116

• 110