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

3rd math vocab2

Part 2 of 3rd grade math terms

acute angle An angle that measures less than 90 degrees.
obtuse angle An angle than measures greater than 90 degrees.
point An exact location in space represented by a dot.
line A straight path that extends forever in both directions.
acute Triangle A triangle with no angle measuring 90 degrees or greater.
obtuse Triangle A triangle with one obtuse angle.
right traingle A triangle with 1 right angle.
line segment A part of a line with 2 end points.
ray A straight path that extends forever in one direction from its endpoint.
angle A figure formed by 2 rays
slide A way to move a figure to another location without changing the figure's size.
parallel lines Lines that are always the same distance apart and never touch.
prependicular lines Lines that form a right angle.
intersecting lines Lines that meet or cross.
right angle An angle that measures 90 degrees.
Created by: clarendon2