Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


5th grade math

right angle angle that has a measure of exactly 90 degrees
obtuse angle angle that has a measure more than 90 degrees
acute angle angle that has a measure less than 90 degrees
straight angle line that has a measure of exactly 180 degrees
perpendicular lines intersecting lines that form four right angles
How are angles classified? angles are classified by their measure
angle two rays with a common endpoint
side the corner of an angle
vertex the common endpoint
interior a point insid the angle
exterior a point outside the angle
degrees measurement of angles
protractor tool used to measure angles
ray line that starts with a vertex and goes on forever
Created by: oberholzerfam