Topic 3 Review 7th grade
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+8
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: I = P * r * t, where I is the interest, P is the principal amount, r is the rate of interest per year, and t is the time in years.
Tags
CCSS.HSF-IF.C.8B
2.
FLASHCARD QUESTION
Front
How do you calculate the principal amount when given interest, rate, and time?
Back
Rearranging the simple interest formula, the principal can be calculated as: P = I / (r * t).
3.
FLASHCARD QUESTION
Front
If a loan has a simple interest rate of 4% for 4 years and the interest paid is $240, how much was borrowed?
Back
The principal borrowed is $1500.
Tags
CCSS.7.RP.A.3
4.
FLASHCARD QUESTION
Front
What is the formula to find the total amount paid back on a loan with simple interest?
Back
Total Amount = Principal + Interest.
Tags
CCSS.7.RP.A.3
5.
FLASHCARD QUESTION
Front
How do you find the interest rate if you know the principal, interest, and time?
Back
Use the formula: r = I / (P * t).
Tags
CCSS.7.RP.A.3
6.
FLASHCARD QUESTION
Front
If Mason took out an $800 loan and paid back $120 in interest over 5 years, what was the interest rate?
Back
The interest rate is 3%.
Tags
CCSS.7.RP.A.3
7.
FLASHCARD QUESTION
Front
What does a discount of 40% mean in terms of price reduction?
Back
A discount of 40% means the price is reduced by 40% of the original price.
Tags
CCSS.6.RP.A.3C
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