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

4.NBT.3 and 4.NBT.4

Shannon 4.NBT.3 and 4.NBT.4 Vocabulary

Regroup To rearrange the formation of a group.
Addition To combine; put together two or more quantities.
Algorithm A step-by-step method for computing.
Subtraction An operation that gives the difference between two numbers.
Difference The amount that remains after one quantity is subtracted from another.
Estimate A number close to an exact amount.
Round To find the nearest ten, hundred, thousand, (and so on).
Place Value The value of the place of a digit in a number.
Sum The answer to an addition problem.
Word Form A way of using words to write a number.
Expanded Form A way to write numbers that shows the place value of each digit.
Standard Form A common or usual way of writing a number using digits.
Whole Number 0 and the counting numbers 1, 2, 3, 4, 5, 6, and so on.
Inverse Operation Operations that undo each other.
Created by: ashannon