Proportions
Flashcard
•
Mathematics
•
6th - 7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you determine if two ratios are proportional?
Back
Two ratios are proportional if their cross products are equal.
3.
FLASHCARD QUESTION
Front
What is the formula for finding a missing value in a proportion?
Back
If a/b = c/d, then ad = bc, where a, b, c, and d are numbers.
4.
FLASHCARD QUESTION
Front
If a recipe requires 5 cups of flour for 10 servings, how much flour is needed for 15 servings?
Back
7.5 cups of flour.
5.
FLASHCARD QUESTION
Front
What is the relationship between ratios and proportions?
Back
Ratios compare two quantities, while proportions show that two ratios are equal.
6.
FLASHCARD QUESTION
Front
If 12 apples cost $3, how much do 20 apples cost?
Back
$5.
7.
FLASHCARD QUESTION
Front
What is the cross-multiplication method used for?
Back
It is used to determine if two ratios are proportional by multiplying the means and extremes.
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