8th Grade Math Skills Review

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the order of operations in mathematics?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the definition of 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 formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is the definition of a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is the definition of a percentage?

Back

A percentage is a fraction expressed as a part of 100.

Front

What is the formula for the volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the definition of an integer?

Back

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