Have 1 of 8 slices from a 10″ pizza OR 1 of 10 slices from a 14″ pizza?

Whichever option you choose, justify your reasoning with mathematics.

For a really cool Geogebra extension, check this out:

http://www.geogebratube.org/student/m93697

Here’s one with scaffolding:

http://www.geogebratube.org/student/m93700

Thank you @mathbutler for that! If you aren’t following his blog, do so now:

http://mathbutler.wordpress.com/

*Related*

Emma1/8 slices from a 10′ pizza.

@jstevens009Why?

missjsnellingReblogged this on Maths Functional Skills for Northbrook College.

Teresa RyanLove this site John. Really great thinking here for all of us. 😀

@jstevens009Thank you Teresa!

jensilvermathThe pizza on the left looks so much better! I’ll take that one. (Sorry, not the point, huh?)

Mr-ButlerOriginal Applets had an error in the final calculation:

Here are the fixed links (if it hasn’t already been changed on wyr site)

http://www.geogebratube.org/student/m93697

http://www.geogebratube.org/student/m93700

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@jstevens009Good stuff!!!

Miss SimpsonOur class thinks the pizza on the right looks better. We agreed that 1/8 of the 10″ pizza would be more so we would like to take that piece.

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