Discovering Averages: Mean, Median, Mode, and Range

Discovering Averages: Mean, Median, Mode, and Range

Learning Objective

Understand and calculate mean, median, mode, and range.

What do you already know about averages?

Mean

The mean is the average obtained by adding up all the numbers and dividing by how many numbers there are.

Median

The median is the middle number when the numbers are ordered from least to greatest.

Mode

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

Range

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

Example Problems

Solve examples for mean, median, mode, and range.

Interactive Activity

Interactive quiz on mean, median, mode, and range.

Review and Recap

Summarize the key concepts of mean, median, mode, and range.

Assessment

10-question quiz on mean, median, mode, and range.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.