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

Unit 0a

Operations and Expressions

counting or natural numbers The numbers we count with no decimals or fractions. 1, 2, 3, 4, 5…
whole numbers natural numbers plus 0: 0, 1, 2, 3, 4…
integers positive and negative whole numbers: …-3, -2, -1, 0, 1, 2, 3…
operations Any of the single steps in a math problem. (+- × ÷ exponents and parentheses)
equation A statement in math that says two things are equal using an equal sign. Ex: 2+3=5; 2x=4; y=2x-4
inequality A statement in math that says one thing is greater than or less than or just not equal to another using one of the following signs: ˂ ≤ ≠ ≥ ˃.
expression A statement in math that does not have an equal or inequality sign. Ex.: 2; 2x; 2x^2+4; 2xy+3z+13
term One part of an expression separated by a plus or minus sign. In 2x^2+4x-5, 2x^2, 4x and -5 are the ____________.
variable A letter representing a changing or unknown amount. In y = 2x – 4, y and x are _______________.
constant A term in an equation with no variable. In y = 2x – 4, 4 is a _____________.
coefficient The number that is being multiplied by a variable. In y = 2x – 4, 2 is a ______________.
Created by: meminot