Free Math Help
Free Math Help: Earned Run Average
Use these examples and formula to find the earned run average of your favorite baseball pitcher.
Beacon Learning Center
Beacon Learning Center: Basketball Means
Students explore and practice calculating averages in this interactive web lesson.
National Council of Teachers of Mathematics
Nctm: Figure This: Bowl Em 'Over
Does he have a chance? In this math challenge, estimate Helix's chances of winning the bowling tournament.
Cuemath
Cuemath: Average
A comprehensive guide for learning all about averages with definitions, uses, how to calculate it, , solved examples, and practice questions.
Khan Academy
Khan Academy: Center and Spread Lesson
The resource from Khan Academy provides practice questions for the Praxis Core Math Test. This section reviews probability and statistics questions connected to the center and spread of data in a collection.
Quia
Ixl Learning: Mean, Median, Mode, and Range
Brush up on your math skills relating to mean, median, mode, and range then try some practice problems to test your understanding.
E-learning for Kids
E Learning for Kids: Math: Olive Trees: Data & Chance
Ariel is taking a survey. Do you want to help her collect and describe data?
National Council of Teachers of Mathematics
Nctm: Comparing Properties of the Mean and Median
Through the use of technology, students can investigate how the mean and median of a set of date compares when values the data changes.
Shodor Education Foundation
Shodor Interactivate: Dictionary: Average
This interactive dictionary page discusses the ambiguity of the term average. The definition refers to the arithmetic mean whose definition can be found immediately above the entry for average. Be sure to check out the link for a...
Primary Resources
Primary Resources: Mean, Median, Mode, and Range
Here are some teacher resources to aid in teaching mean, median, mode and range. Includes worksheets, games, and PowerPoint presentations.
Rice University
Hyper Stat Online Statistics Textbook: Arithmetic Mean
This resource gives a definition of a mean and provides a formula for finding a statistical mean.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Average [Pdf]
A concise graphing calculator lesson on calculating average. Detailed examples, demonstrations of calculator functions, and practice problems included. Acrobat Reader required.
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.
National Council of Teachers of Mathematics
Nctm: Figure This: Who's on First Today?
Batter up! Who has the higher batting average, Joe McEwing or Mike Lieberthal? Try your computation and averaging skills in this real-world math challenge. Learn how sharpening your averaging skills can be valuable in real life...
ClassFlow
Class Flow: Averages Handling Data
[Free Registration/Login Required] This is a dynamic flipchart displaying and using measures of central tendency- mean, medium, mode, and average. Pictures capture the eye, for sure.
Math Is Fun
Math Is Fun: How to Find the Mean
This math tutorial illustrates the mean of a set of data.
Math Is Fun
Math Is Fun: The Mean Machine
This little tool lets you type in your numbers from your data collection, and it will calculate the mean value for you.
That Quiz
That Quiz: Medias
This interactive activity is designed as a review to the concept of mean, median and mode.
National Council of Teachers of Mathematics
Nctm: Figure This: How Much Time Do Teens Spend on the Job?
Try this math challenge where you investigate the average number of hours teen actually spend working. Apply your problem solving, number sense, and computation skills in this one page activity from the NCTM Math Challenges for Families...
BBC
Bbc: Standard Deviation
A demonstration of how to find the standard deviation of a set of data. Several examples and a practice test are offered.
Free Math Help
Free Math Help: Batting Average
Here is an explanation about how to calculate a player's batting average.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Average?
Defines how to calculate average and gives examples.
AAA Math
Aaa Math: Statistical Mean
Learn about finding the statistical mean of a set of data, and then do some practice problems.