Math

What is a stem-and-leaf plot?

This post is directed at content developers, elementary math. I would like you to develop a Voxitatis tutorial on this topic to help parents explain…


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What is a fraction?

Update, 12 Nov 2012: Do you want to explore fractions rather than just read about them? We have developed interactive tools that allow students to…


What is a fraction?

We have developed interactive tools that allow students to explore and compare fractions with like and unlike denominators using graphical, visual models