Rates, Ratios, Unit Rate and Percent Review
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
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 unit rate?
Back
A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour).
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
How do you find the percent of a quantity?
Back
To find the percent of a quantity, divide the part by the whole and then multiply by 100. For example, to find 40% of 350, calculate (40/100) * 350.
Tags
CCSS.6.RP.A.3C
4.
FLASHCARD QUESTION
Front
What does the term 'percent' mean?
Back
Percent means 'per hundred' and is a way to express a number as a fraction of 100.
5.
FLASHCARD QUESTION
Front
How do you solve for a variable in a proportion?
Back
To solve for a variable in a proportion, cross-multiply and then isolate the variable. For example, in k/5 = 9/15, cross-multiply to get 15k = 45, then k = 3.
Tags
CCSS.7.RP.A.2C
6.
FLASHCARD QUESTION
Front
What is the formula for calculating a unit rate?
Back
The formula for calculating a unit rate is: Unit Rate = Total Quantity / Number of Units.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
If 12 out of 30 cars finished a race, how do you calculate the percent that finished?
Back
To calculate the percent, divide the number of cars that finished (12) by the total number of cars (30) and multiply by 100: (12/30) * 100 = 40%.
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