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274 mi. 6h 48 m. Follow up question: can you do it in one tank. 


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If you started driving South from Santa Cruz and kept going the length around Hawaii, how far would you get? 

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I post two photos a week on our little Moodle install and ask my students to submit five sentences on five concepts we discussed during the week. 


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Have them fold their notepaper into sixths. 

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Last year didn’t care about the sequencing. Parallelogram is a trapezoid on crack. A rhombus is a kite on steroids. Rhombus + Rectangle = Square. What do you notice about these three? -

The point being that it doesn’t matter what it LOOKS like. Only what it’s marked up as. -

What is this? 



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Draw and define. 





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Discuss different ways to write major and minor arcs. Note: we did a LOT of discussion here. I put up letters over every intersection and asked them to name the arcs, point to them, etc. 

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heart disease 


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Tell ‘em you can assume that A is the center. -

Might ask here what you call a circle that is both concentric and congruent. Laugh at them after they sweat the answer. 
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Which words here are unfamiliar. 













1 Comment
Antonio Gutierrez
September 24, 2007 - 9:29 am -Dear Dan,
Thank you for your article about Geometry.
I would like to invite you to visit Geometry Step-by-Step from the Land of the Incas, an animated angle to geometry study, at:
http://www.agutie.com