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.

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

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.

Remove ads
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



Estimate A close guess of the actual value, usually with some calculation involved
Rounding Reducing the digits in a number, while keeping a similar value
Compatible Numbers Numbers that are easy to compute together
Steps to estimate computations using rounding 1. Round each number to the newest integer 2. use the rounded numbers to complete computation
Steps to estimate using compatible numbers 1. Adjust numbers in computation to similar numbers that compute easily together 2. Compute the adjusted numbers mentally
Steps To multiply numbers containing decimals 1. Write the problem vertically; line up the digits right to left (do not line up the decimals) 2. Multiply normally 3. Insert decimals in the answer as many decimal places as there are in the problem
Steps to divide numbers containing decimals 1. Set up division box with the divisor on the outside, and the number being divided on the inside 2. Only divide by a whole number 3. Move the decimal of th enumber being divided . Bring the decimal straight up 5. Divide normally
Created by: PeytonWood