Math 7 Proportions (Flashcard)

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+4
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
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
3.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the terms and then isolate the variable.
Tags
CCSS.6.EE.B.7
4.
FLASHCARD QUESTION
Front
If there are 4 milk chocolates for every 2 dark chocolates, what is the ratio of milk to dark chocolates?
Back
The ratio of milk to dark chocolates is 4:2, which simplifies to 2:1.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
FLASHCARD QUESTION
Front
If a box contains 34 dark chocolates, how many milk chocolates are there if the ratio is 2:1?
Back
There are 68 milk chocolates in the box.
6.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
If Mr. Dulin runs 5 miles in 42 minutes, what is his speed in miles per minute?
Back
His speed is approximately 0.119 miles per minute.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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