Cross Multiplication Practice
Flashcard
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
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14 questions
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1.
FLASHCARD QUESTION
Front
What is cross multiplication?
Back
Cross multiplication is a method used to solve proportions by multiplying the numerator of one fraction by the denominator of the other fraction.
Tags
CCSS.7.RP.A.3
2.
FLASHCARD QUESTION
Front
How do you set up a proportion?
Back
A proportion is set up by creating an equation that states two ratios are equal, typically in the form a/b = c/d.
Tags
CCSS.7.RP.A.3
3.
FLASHCARD QUESTION
Front
If 12 out of 100 scholars like pizza, what is the ratio of scholars who like pizza?
Back
The ratio is 12:100, which can be simplified to 3:25.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
How do you find the total number of scholars surveyed if 54 like pizza and the ratio is 12:100?
Back
Set up the proportion 12/100 = 54/x and solve for x, which gives x = 450.
Tags
CCSS.7.RP.A.3
5.
FLASHCARD QUESTION
Front
What is the total amount of paint used if the ratio of black to white paint is 6:8 and 27 cups of black paint are used?
Back
If 27 cups of black paint are used, the total paint used is 63 cups (27 cups black + 36 cups white).
6.
FLASHCARD QUESTION
Front
How do you calculate the amount of Sprite needed for 36 guests if 5 liters are needed for every 12 guests?
Back
Set up the proportion 5/12 = x/36 and solve for x, which gives x = 15 liters.
Tags
CCSS.7.RP.A.2B
7.
FLASHCARD QUESTION
Front
What is the ratio of students who enjoy basketball if 2 out of 10 students do?
Back
The ratio is 2:10, which simplifies to 1:5.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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