8th Grade Math Category 1 STAAR Review

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 (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): 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 median and the mode?

Back

The median is the middle value in a data set when arranged in order, while the mode is the value that appears most frequently.

Front

What is the distributive property?

Back

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

Front

Define 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.

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over run (change in y over change in x).

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

How do you find the volume of a rectangular prism?

Back

Volume = length × width × height.