If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Main content

Unit 7: Comparing quantities

1,200 possible mastery points

Mastered

Proficient

Familiar

Attempted

Not started

Quiz

Unit test

Ratios (Recap)

Learn

Equivalent ratio word problems
(Opens a modal)

Practice

Equivalent ratios with equal groupsGet 3 of 4 questions to level up!

Meaning of percentage

Learn

Practice

Intro to percentsGet 5 of 7 questions to level up!
Finding percentsGet 5 of 7 questions to level up!

Percentage conversions

Learn

Practice

Relate fractions, decimals, and percentsGet 3 of 4 questions to level up!
Convert decimals to percentsGet 3 of 4 questions to level up!
Convert percents to fractionsGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 480 Mastery points

Percentage word problems

Learn

Practice

Percent word problemsGet 5 of 7 questions to level up!
Percentage change word problemsGet 3 of 4 questions to level up!

Profit or loss as a percentage

Learn

Practice

Profit and loss percent problemsGet 3 of 4 questions to level up!
Profit and loss word problemsGet 3 of 4 questions to level up!

Simple interest

Learn

Practice

Principal, rate of simple interest, and amount problemsGet 3 of 4 questions to level up!
Simple interest word problemsGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 480 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1200 Mastery points!