What’s the Average?
Students often answer with the formula: “Add all the numbers together and divide, etc.” with no strong idea of what “average” means. Few adults, in fact, distinguish among the measures of central...
View ArticleLinking Math to Real Problems
Why bother with statistics in middle school? One answer: data analysis is one of the NCTM Standards and an 8th grade Focal Point. But even more important, in my experience, is that statistics links...
View ArticleThink Globally and Locally, Mathematically
Student Explorations in Mathematics, formerly known as Student Math Notes, is an official publication of the National Council of Teachers of Mathematics (NCTM) and is intended as a resource for grades...
View ArticleMarch Mathness
There are more than nine quintillion (9 x 1018) ways to fill out a 64-team March Madness bracket — and almost 150 quintillion permutations for the 68 college basketball teams in this year’s men’s...
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