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



ratio shows the relative sizes of two or more values; can be shown in different ways. Using the ":" to separate example values, or as a single number by dividing one value by the total. Example: if there is 1 boy and 3 girls you could write it as: 1:3 (for e
equivalent ratios are two ratios that express the same relationship between numbers. We can create these by multiplying or dividing both the numerator and denominator of a given ratio by the same number. (equivalent fractions)
tape diagram A drawing that looks like a segment of tape, used to illustrate number relationships. Also known as a strip diagram, bar model, fraction strip, or length model.
unit rate the ratio of two measurements in which the second term is If Nancy earns $180 in 20 hours, then unit rate of her earning is given as 180/20 = $9 per hour
part-to-part a ratio that represents the relationship of one part of a whole to another part of the same whole. Suppose there are 10 marbles in a bag, out of which 3 are green in color and the remaining 7 are red in color. Then the part-part ratio of the green marbl
part-to-whole a ratio or a fraction that represents a relationship between a part and its whole. Suppose a bag contains 4 apples , 8 bananas, and 12 apricots. Then the part-whole ratio of apples is 4/24 = 1/6 , the part-whole ratio of bananas is 8/24 = 1/3 , and the
percent a ratio that compares a number to 100; means parts per 100 The symbol is %; Example: 25% means 25 per 100
Created by: artisteacher