Percents and Word Problems
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a percent?
Back
A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.
2.
FLASHCARD QUESTION
Front
How do you calculate the percent of a number?
Back
To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 x 0.20 = 10.
Tags
CCSS.6.RP.A.3C
3.
FLASHCARD QUESTION
Front
What is the formula to find the percent of a total?
Back
The formula is: (Part / Total) x 100 = Percent. For example, if 30 out of 150 students passed, the percent is (30/150) x 100 = 20%.
4.
FLASHCARD QUESTION
Front
How do you convert a fraction to a percent?
Back
To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.
5.
FLASHCARD QUESTION
Front
What does it mean to find a percentage increase?
Back
A percentage increase shows how much a value has grown compared to its original amount. The formula is: ((New Value - Original Value) / Original Value) x 100.
Tags
CCSS.6.RP.A.3C
6.
FLASHCARD QUESTION
Front
What does it mean to find a percentage decrease?
Back
A percentage decrease shows how much a value has fallen compared to its original amount. The formula is: ((Original Value - New Value) / Original Value) x 100.
Tags
CCSS.6.RP.A.3C
7.
FLASHCARD QUESTION
Front
If 60% of a class of 30 students are girls, how many girls are there?
Back
To find the number of girls, calculate 60% of 30: 30 x 0.60 = 18 girls.
Tags
CCSS.6.RP.A.3C
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