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

4.OA.1 and 4.OA.2

Shannon 4.OA.1, 4.OA.2, and 4.NBT.5 Vocabulary

Equation A mathematical sentence with an equal sign.
Multiplicative comparison Compare by asking or telling how many times more one amount is than another. e.g., 3 times as many as
Additive comparison Problems that ask how much more (or less) one amount is than another.
Area model A model of multiplication that shows each place value product.
Commutative Property of Multiplication Changing the order of the factors does not change the product.
Distributive Property of Multiplication over Addition When one of the factors of a product is a sum, multiplying each addend before adding does not change the product.
Partial product A method of multiplying in which the value of each digit in a factor is multiplied separately, and then the partial products are added together.
Rectangular array An arrangement of objects in equal rows in the shape of a rectangle.
Interpret To explain something.
Strategy how to plan to go about, to solve a certain problem.
Unknown The variable that need to be solved in an equation.
Identity Property of Multiplication Any time you multiply a number by 1, the result, or product, is that original number.
Created by: ashannon