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: Area and its boundary

0

Possible mastery points

Count unit squares to find area

Learn

Practice

Understand areaGet 3 of 4 questions to level up!
Find area by counting unit squaresGet 5 of 7 questions to level up!

Creating rectangles with given area

Learn

Practice

Create rectangles with a given areaGet 3 of 4 questions to level up!

Area of rectangles

Learn

Transitioning from unit squares to area formula
(Opens a modal)

Practice

Area of rectangles with partial arraysGet 5 of 7 questions to level up!
Transition from unit squares to area formulaGet 5 of 7 questions to level up!
Area of rectanglesGet 5 of 7 questions to level up!

Area of rectangles more problems

Learn

Practice

Find a missing side length when given area Get 5 of 7 questions to level up!

Intro to perimeter

Learn

Perimeter: introduction
(Opens a modal)

Practice

Find perimeter by counting unitsGet 3 of 4 questions to level up!
Find perimeter when given side lengthsGet 5 of 7 questions to level up!

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 900 Mastery points!