Unit 3 Formal Study Guide

Front

What is the formula to calculate the percentage of a quantity?

Back

Percentage = (Part / Whole) * 100

Front

How do you find the missing value in a ratio table?

Back

To find the missing value in a ratio table, set up a proportion based on the known values and solve for the unknown.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

How do you calculate the unit rate from a total cost?

Back

Unit Rate = Total Cost / Number of Units

Front

What is the relationship between distance, speed, and time?

Back

Distance = Speed * Time

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

What is the significance of unit rates in real-world applications?

Back

Unit rates allow for easy comparison of different quantities, such as price per item or speed per time.

Front

How can you determine which of several rates is the fastest?

Back

Compare the rates by calculating the speed (distance/time) for each and identifying the highest value.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the total amount from a unit rate?

Back

Total Amount = Unit Rate * Number of Units