This math topic focuses on calculating the missing number that ensures a specified average (mean) in a set of numbers. Each problem presents a small set of numbers where one value is missing, and the goal is to determine what that missing number must be to achieve the stated mean. The skill practiced here is fundamental to understanding averages and is crucial for advanced studies in statistics and probability. The problems progress through various difficulty levels and scenarios, reinforcing the ability to manipulate and calculate numerical data effectively.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.