7th grade FSA Review

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

How do you find a unit rate from an ordered pair?

Back

To find a unit rate from an ordered pair (x, y), divide y by x.

Front

What does a 15% discount mean?

Back

A 15% discount means that the price is reduced by 15% of the original price.

Front

How do you calculate the final price after a discount?

Back

Final Price = Original Price - (Discount Percentage × Original Price)

Front

What does 'decreased by 25%' mean in mathematical terms?

Back

It means to subtract 25% of the original amount from the original amount.

Front

How do you express 'an item bought for x dollars decreased by 25%'?

Back

The expression is x - 0.25x.

Front

What is the total number of marbles in the given problem?

Back

Total marbles = 7 blue + 8 red + 5 green = 20 marbles.