What is a proportion?
Proportion Word Problems

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you set up a proportion for a word problem?
Back
Identify the two quantities that are being compared and set them as a fraction. Then, set the two fractions equal to each other.
3.
FLASHCARD QUESTION
Front
What is the cross-multiplication method?
Back
Cross-multiplication is a method used to solve proportions by multiplying the numerator of one fraction by the denominator of the other fraction.
4.
FLASHCARD QUESTION
Front
If 48 out of 64 games resulted in homeruns, what is the ratio of homeruns to games?
Back
The ratio is 48:64, which simplifies to 3:4.
5.
FLASHCARD QUESTION
Front
How do you find the total number of items based on a ratio?
Back
Multiply the total number of items by the ratio's fraction.
6.
FLASHCARD QUESTION
Front
In a class of 70 students, if 63 are earning an A or B, what percentage of students are earning these grades?
Back
90% of the students are earning an A or B (63/70 = 0.9).
7.
FLASHCARD QUESTION
Front
What is the formula to find the number of items in a larger group based on a smaller group's ratio?
Back
Number in larger group = (Number in smaller group / Total in smaller group) * Total in larger group.
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