Math 7 Proportions (Flashcard)

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+5
Standards-aligned
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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.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
How do you find a missing value in a ratio table?
Back
To find a missing value in a ratio table, set up a proportion using the known values and solve for the unknown.
3.
FLASHCARD QUESTION
Front
If the scale is 1cm = 8km, how do you convert centimeters to kilometers?
Back
Multiply the number of centimeters by 8 to convert to kilometers.
Tags
CCSS.6.RP.A.3D
4.
FLASHCARD QUESTION
Front
What is the formula to calculate the time taken based on distance and speed?
Back
Time = Distance ÷ Speed.
Tags
CCSS.6.RP.A.3B
5.
FLASHCARD QUESTION
Front
If Mr. Dulin runs 5 miles in 42 minutes, what is his speed in miles per minute?
Back
Speed = 5 miles ÷ 42 minutes = 0.119 miles per minute.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
What does it mean if two ratios do not form a proportion?
Back
It means that the two ratios are not equivalent.
Tags
CCSS.6.RP.A.3A
7.
FLASHCARD QUESTION
Front
How do you solve for x in a proportion?
Back
Cross-multiply the ratios and then isolate x.
Tags
CCSS.7.RP.A.2C
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