Go to this website and explore graphing circles interactively. Play around. by moving the points and you can see how the equation of the circle changes, helping you to understand how we came up with the formula.
Sunday, March 25, 2012
Graphing Circles
Go to this website and explore graphing circles interactively. Play around. by moving the points and you can see how the equation of the circle changes, helping you to understand how we came up with the formula.
Wednesday, March 14, 2012
Happy Pi Day
March 14th was a day just made for math people!
This may sound irrational but it has its own web page. Visit it and send someone a pi-card. Didn't know you could send pi thru the internet did you?
(Illustration from NCTM.org)
Tuesday, March 13, 2012
Geometric Transformations
Transformations are best understood if you can see what happens to a shape when you move it, reflect it or turn it.
Click on this link and play around with the different transformations to get a better understanding. You need Java on your computer to use it.
Click on this link and play around with the different transformations to get a better understanding. You need Java on your computer to use it.
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