Save
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Math Topic 2

Variables, Expressions, and Properties

TermDefinition
Algebraic Expression A mathematical phrase that has at least one variable and one operation
Associative Property of Addition The way numbers are grouped does not affect the sum
Variable A quantity that can change or vary, often represented with a letter
Input / output table A table of related values
Coefficient The number that is multiplied by a variable in an algebraic expression Example: for 6x + 5, the coefficient is 6.
Commutative Property of Addition The order in which numbers are added does not change the sum of the numbers
Commutative Property of multiplication The order in which numbers are multiplied does not change the product of the numbers.
Substitution To replace a variable with a number
Identity Property of multiplication The product of a number and one is that number
Associative Property of multiplication The way numbers are grouped does not affect the product
Order of operation A set of rules mathematicians use to determine the order in which operations are preformed
Distributive property Multiplying a sum (or difference) by a number gives the same results as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the products
Identity property of addition Adding zero to a number does not change the number
Evaluate To find the value of an expression
Created by: SFABGRADE6-9
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards