Ratios and Proportions
Flashcard
•
Mathematics
•
4th - 6th Grade
•
Hard
+2
Standards-aligned
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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 expressed as a fraction, indicating how many times one value contains or is contained within the other.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FLASHCARD QUESTION
Front
How do you simplify a ratio?
Back
To simplify a ratio, divide both terms by their greatest common divisor (GCD) until no further simplification is possible.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
Tags
CCSS.7.RP.A.2A
4.
FLASHCARD QUESTION
Front
How can you determine if two ratios form a proportion?
Back
Two ratios form a proportion if the cross products are equal. For example, for a/b = c/d, then a*d = b*c.
Tags
CCSS.7.RP.A.2A
5.
FLASHCARD QUESTION
Front
What is the cross-multiplication method?
Back
The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio to check for equality.
Tags
CCSS.6.RP.A.3A
6.
FLASHCARD QUESTION
Front
What does it mean for two ratios to be equivalent?
Back
Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.
Tags
CCSS.6.RP.A.3A
7.
FLASHCARD QUESTION
Front
How do you convert a ratio to a fraction?
Back
To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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