Ratio and Proportions
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
2.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
3.
FLASHCARD QUESTION
Front
How do you solve for x in a ratio?
Back
To solve for x in a ratio, you can cross-multiply and then isolate x.
4.
FLASHCARD QUESTION
Front
What does it mean to cross-multiply?
Back
Cross-multiplying involves multiplying the numerator of one ratio by the denominator of the other ratio.
5.
FLASHCARD QUESTION
Front
If 11/10 = 22/x, what is x?
Back
x = 20.
6.
FLASHCARD QUESTION
Front
What is the formula for finding a missing value in a proportion?
Back
If a/b = c/d, then ad = bc.
7.
FLASHCARD QUESTION
Front
How can you check if two ratios are proportional?
Back
You can check if two ratios are proportional by cross-multiplying and seeing if the products are equal.
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