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.

Main content

5th grade

13,000 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test
Course challengeTest your knowledge of the skills in this course.Start Course challenge