7th Grade Math PSSA Review (18 - 19)

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

Define a prime number.

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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

How do you calculate the mean of a set of numbers?

Back

Mean = (sum of all values) / (number of values)

Front

What is the difference between the mean and median?

Back

Mean is the average of a set of numbers, while median is the middle value when the numbers are arranged in order.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

Define a variable in mathematics.

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you find the volume of a rectangular prism?

Back

Volume = length × width × height

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.