Analyze and Solve Percent Problems

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is simple interest?
Back
Simple interest is calculated using the formula: Interest = Principal × Rate × Time. It is the interest earned or paid on the original principal amount only.
Tags
CCSS.7.RP.A.3
2.
FLASHCARD QUESTION
Front
How do you calculate the total interest earned on a principal amount over time?
Back
Total Interest = Principal × Rate × Time. For example, if you invest $1,000 at a 5% interest rate for 3 years, the interest earned would be $1,000 × 0.05 × 3 = $150.
Tags
CCSS.7.RP.A.3
3.
FLASHCARD QUESTION
Front
What is the formula to find the percentage of a part compared to a whole?
Back
Percentage = (Part / Whole) × 100. For example, if 18 out of 45 students play saxophone, the percentage is (18 / 45) × 100 = 40%.
4.
FLASHCARD QUESTION
Front
How do you find a percentage of a number?
Back
To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 160% of 98, calculate 98 × 1.6 = 156.8.
Tags
CCSS.6.RP.A.3C
5.
FLASHCARD QUESTION
Front
What is the principal in a simple interest problem?
Back
The principal is the initial amount of money that is invested or loaned before interest is applied.
Tags
CCSS.7.RP.A.3
6.
FLASHCARD QUESTION
Front
What does the term 'rate' refer to in the context of interest?
Back
The rate is the percentage at which interest is calculated on the principal amount, usually expressed as an annual rate.
Tags
CCSS.7.RP.A.3
7.
FLASHCARD QUESTION
Front
What is the time period in a simple interest calculation?
Back
The time period is the duration for which the money is invested or borrowed, typically measured in years.
Tags
CCSS.7.RP.A.3
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