Proportions
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
Wayground Content
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Student preview
16 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.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the two ratios and set the products equal to each other.
Tags
CCSS.7.RP.A.3
3.
FLASHCARD QUESTION
Front
If 4/8 = x/10, what is x?
Back
x = 5.
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
4.
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.
Tags
CCSS.6.RP.A.3A
5.
FLASHCARD QUESTION
Front
If 2 apples cost $20, how much do 5 apples cost?
Back
$50.
Tags
CCSS.6.RP.A.3B
6.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
How can you determine if two ratios form a proportion?
Back
Two ratios form a proportion if their cross products are equal.
Tags
CCSS.7.RP.A.2A
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