7th Grade - Percent Review

Front

What is simple interest?

Back

Simple interest is the interest calculated only on the principal amount, or the original amount of money borrowed or invested.

Tags

CCSS.7.RP.A.3

Front

How do you calculate simple interest?

Back

Simple Interest = Principal × Rate × Time.

Tags

CCSS.7.RP.A.3

Front

What is the formula to find the percentage of a number?

Back

Percentage = (Part / Whole) × 100.

Front

How do you find the number of items that represent a certain percentage?

Back

Number of items = (Percentage / 100) × Total number of items.

Front

What does a 25% discount mean?

Back

A 25% discount means that the price is reduced by 25% of the original price.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percentage × Original Price).

Tags

CCSS.6.RP.A.3C

Front

What is percent increase?

Back

Percent increase is the amount of increase expressed as a percentage of the original amount.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent increase?

Back

Percent Increase = [(New Value - Original Value) / Original Value] × 100.

Tags

CCSS.6.RP.A.3C

Front

If a candy bar costs $1.28 after a 60% increase, how do you find the original price?

Back

Original Price = New Price / (1 + Increase Rate).

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating the original price before a percentage increase?

Back

Original Price = New Price / (1 + Percentage Increase).

Tags

CCSS.6.RP.A.3C