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Creative Mathematics teacher wins award


How does the supply and demand for iPods help students make hypothetical business decisions both graphically and algebraically? And, what does bungy-jumping have to do with Barbie Doll calculations?
barbie doll jump


Meredith Progar won a State-wide teaching award for engaging 9th and 10th-grade Algebra students at North Allegheny Intermediate High School, using such common, everyday illustrations and analogies help make math engaging and fun.

I like to put myself in my students’ shoes and determine what makes math relevant to them. I scavenge for apps, online resources, and other things I can find to capture their attention and make math more interesting,” said Progar.

This creative approach earned her the 2015 High School Masters of Mathematics Award from the Pennsylvania Council of Teachers of Mathematics, or PCTM. For an example of her work, click on the image above.

(PS: H3 is, at this very moment, visiting family in Taupo, New Zealand. This is the “Events Center” of New Zealand and boasts a dramatic bungy jump into the Waikato River. )

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NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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