Proportions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
+5
Standards-aligned
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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 set up a proportion to solve a problem?
Back
To set up a proportion, you can use the formula a/b = c/d, where a and b are the first ratio, and c and d are the second ratio.
Tags
CCSS.7.RP.A.2C
3.
FLASHCARD QUESTION
Front
What is the cross-multiplication method in solving proportions?
Back
The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio, and setting the two products equal to each other.
4.
FLASHCARD QUESTION
Front
If 13 out of 20 homes have a personal computer, how do you find the expected number of homes with a computer on a street of 60 homes?
Back
Set up the proportion 13/20 = x/60 and solve for x using cross-multiplication.
Tags
CCSS.7.RP.A.2C
5.
FLASHCARD QUESTION
Front
How do you determine the time it takes to produce a certain number of items based on a given rate?
Back
Use the formula: time = total items / (items produced per time period).
Tags
CCSS.6.RP.A.3B
6.
FLASHCARD QUESTION
Front
What is the relationship between the size of a container and the duration it lasts for a product?
Back
The duration a product lasts is directly proportional to the size of the container, assuming the usage rate remains constant.
Tags
CCSS.7.RP.A.2D
7.
FLASHCARD QUESTION
Front
How do you calculate the cost of purchasing multiple items based on a unit price?
Back
Multiply the unit price by the total number of units purchased.
Tags
CCSS.6.RP.A.3B
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