Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

7th Grade Math PSSA1

TermDefinition
Acute triangle A triangle that has each angle measuring less than 90 degrees.
Coordinate plane/graph A two-dimensional system in which the coordinates of a point are its distances from both a horizontal and a vertical line are called the axes
Ordered Pairs The pairs of numbers plotted on the coordinate graph.
Origin The beginning of ordered pairs (0,0). Center of a coordinate plane.
Equilateral triangle A triangle whose sides are the same length
Isosceles triangle A triangle that has exactly two congruent sides.
Obtuse triangle A triangle with one angle that measures more than 90 degrees.
Perfect square The product of an integer multiplied by itself (e.g., 121 is a perfect square because 11x11=121)
Proportion An equation showing that two ratios are equal.
Scalene triangle A triangle with no congruent sides.
Radius The distance from the center of a circle to the outside.
Diameter The distance from one side of a circle to the other side. The line passes through the center of the circle.
Reciprocal When you flip a fraction's numerator and denominator.
Unit Rate A rate per one
Absolute Value The distance a number is from zero. Is always positive.
Mean Average.
Median The middle number in a set of data.
Mode The number that shows up the most in a set of data.
Range The difference between the highest and lowest value in a set of data.
Improper Fraction A fraction where the numerator is larger than the denominator. It can be changed into a mixed number.
Created by: sara3636