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

Ed Measurements:Math

basic math terms

Mean the sum of n numbers divided by n
median the middle of a numerically arranged set of numbers
mode most frequently shown number
range difference between the greatest and the lowest numbers in a set
supplementary angles angles that add up to 180 degrees
complementary angles angles that add up to 90 degrees
acute angles an angle less than 90 degrees
obtuse angle an angle more than 90 degrees but less than 180 degrees
straight angle an angle that is 180 degrees
reflex angle an angle more than 180 degrees but less than 360 degrees
right angle an angle that is 90 degrees
parallel lines two lines that never cross
perpendicular lines two lines that intersect at a 90 degree angle
scalene triangle a triangle that has no equal angles and no equal sides
isosceles triangle a triangle that has two equal sides and two equal angles
equilateral triangle a triangle that has all equal sides and all equal angles
polygon simple closed curved shape with only segments as sides
quadrilateral a polygon with four sides
perimeter the distance around a figure
circumference the distance around a circle
Created by: christine_aley