MCAS Math Review

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the median in a data set?

Back

The median is the middle value when a data set is ordered from least to greatest. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode of a set of numbers?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the total amount if you have a percentage?

Back

To calculate the total amount from a percentage, divide the percentage value by the percentage rate (in decimal form).

Front

What is the formula for calculating simple interest?

Back

Simple Interest = Principal × Rate × Time.

Front

What is the formula for the area of a rectangle?

Back

Area = Length × Width.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × Radius.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides: a² + b² = c².

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b.