Flashcard Prep RP.1

Front

What is the process to divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, to calculate 1/2 ÷ 3/5, you multiply 1/2 by 5/3.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the time or number of items. For example, if 3 1/2 dozen cupcakes are sold in 15 minutes, convert the time to hours and divide the total by the time to find the rate per hour.

Front

What does it mean to calculate mileage in miles per gallon?

Back

Mileage in miles per gallon is calculated by dividing the distance traveled by the amount of fuel used. For example, if a drone travels 5/6 of a mile using 5/24 gallon of water, the mileage is (5/6) ÷ (5/24) = 4 miles per gallon.

Front

How can you determine how much of a job can be completed in a different time frame?

Back

To determine how much of a job can be completed in a different time frame, find the rate of work done per unit of time and multiply it by the new time frame.

Front

What is the significance of the reciprocal in fraction division?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator. It is significant in fraction division because dividing by a fraction is equivalent to multiplying by its reciprocal.

Front

How do you compare rates of work between two individuals?

Back

To compare rates of work, calculate how much each individual can complete in the same time frame and then compare the results.

Front

What is a mixed number and how do you convert it to an improper fraction?

Back

A mixed number consists of a whole number and a fraction. To convert it to an improper fraction, multiply the whole number by the denominator and add the numerator, placing the result over the original denominator.

Front

How do you calculate the total amount of work done in a given time?

Back

To calculate the total amount of work done, multiply the rate of work by the time spent working.

Front

What is the formula for finding the total distance traveled?

Back

The total distance traveled can be found using the formula: Distance = Rate × Time.

Front

How do you express a fraction as a decimal?

Back

To express a fraction as a decimal, divide the numerator by the denominator. For example, 1/2 = 0.5.