Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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


Rational & Irrational Numbers

Natural Numbers Counting numbers such as 1, 2, 3, 4, ...
Whole Numbers Natural numbers and zero
Integers Whole numbers and their opposites
Rational Numbers Natural numbers, whole numbers, integers, fractions, terminating decimals, and repeating decimals (numbers that can be written in fractional form)
Irrational Numbers Numbers that cannot be written in fractional form
Square Root (of a Number) A value that can be multiplied by itself to give the original number
Radical Sign The sign placed before an expression to denote that the square root is to be extracted
Perfect Square The product of a rational number multiplied by itself
Terminating Decimal A decimal number that has digits that do not go on forever
Repeating Decimal A number whose decimal representation eventually becomes periodic (the same sequence of digits repeats indefinitely)
Created by: kellie-fuehrer1