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

Connected Ed Unit 2

Vocabulary Study

Associative Property of Addition The property which states that the grouping of addends does not change the sum. EX: (2+5)+1=2+(5+1)
Bar diagram A bar diagram is used to illustrate number relationships
Commutative Property of Addition The property that states the order in which two numbers are added does not changed the sum. EX: 5+7=12, 7+5=12
estimate A number close to an exact value. (rounding)
Identity Property of Addition The property that states if you add zero to a number, the sum is the same as the given number. EX: 0+3=3
mental math Ordering or grouping numbers so they are easier to add in your head. (5+5=10)
parentheses symbols that are used to group numbers. They show how to group operations in a number sentence.
pattern A set of numbers that follows a certain order. 2,4,6,8,10
reasonable Within the bounds of making sense. Not a wild guess.
regroup to use place value to exchanged equal amounts when renaming a number. (Addition/Subtraction, borrowing, carrying)
unknown A missing number, or the number to be solved for. 6+7=? ? is the unknown
Created by: Lemmings