BBC
Bbc: Bitesize Revision: Data Handling: Mean
Need the basics on how to find a mean? Interactive examples are available that help you find the mean using data from a frequency table. You can also enter your own data and find the mean. You will find plenty of guided practice and...
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...