What is a ratio?
Ratios and Proportions

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Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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
How do you write a ratio?
Back
Ratios can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or in words (e.g., '3 to 4').
3.
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 numbers, which can be determined by cross-multiplying.
4.
FLASHCARD QUESTION
Front
What is the cross product of two ratios?
Back
The cross product of two ratios a:b and c:d is the product of the outer terms (a*d) and the inner terms (b*c). If a*d = b*c, the ratios are equivalent.
5.
FLASHCARD QUESTION
Front
If the ratio of basketballs to total balls is 4 to 16, how many total balls are there?
Back
There are 16 total balls (4 basketballs + 7 soccer balls + 5 volleyballs = 16).
6.
FLASHCARD QUESTION
Front
How do you find the price per pound if a 10lb pack costs $15?
Back
To find the price per pound, divide the total cost by the weight: $15 ÷ 10 lbs = $1.50 per pound.
7.
FLASHCARD QUESTION
Front
What is the ratio of 12 to 32 in simplest form?
Back
The simplest form of the ratio 12 to 32 is 3 to 8.
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