Tag Archives: Dan Meyer

Giving graphingstories.com a Go!

Posted on October 21, 2013 by Cathy Yenca

Living vicariously through my student teacher, Lauren, we came upon the “Interpreting Graphs” lesson in Algebra, and I suggested that she give graphingstories.com a go. Today, each class period had a brief discussion about the general usefulness of graphs, and … Continue reading →

Posted in Algebra 1, Pre-Algebra | Tagged , , , , , , , | 10 Comments

Time Travel

Posted on May 3, 2013 by Cathy Yenca

My algebra students have been reviewing for their Algebra End-of-Course exam, and encountered an interesting problem today.  It was the very LAST problem in a problem set, and we discovered it at the end of the period! Rats! Who can … Continue reading →

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Quadratics Intro ThingLink

Posted on February 10, 2013 by Cathy Yenca

I just whipped this up for my students to explore.  I like to use ThingLinks as anchoring activities initially, and as study guides throughout and at the end of a unit of study.  My students have a test on factoring … Continue reading →

Posted in Algebra 1 | Tagged , , , | 8 Comments

A Paper and Popcorn Misconception

Posted on February 9, 2013 by Cathy Yenca

I showed the following Dan Meyer vid to my 8th graders this week as we dove into volume and surface area.     Their responses were… well, characteristic of 8th graders: a) What’s wrong with the video?  Why did it … Continue reading →

Posted in Algebra 1, Pre-Algebra | Tagged , | 4 Comments

I Am a Witness to Perplexity

Posted on November 28, 2012 by Cathy Yenca

My students have been studying ratios, rates and proportions.  We’ve compared unit prices to find the “better buy” and found the heights of trees and flagpoles using their shadows and similar triangles.  We’ve also converted rates using dimensional analysis (usually … Continue reading →

Posted in Algebra 1, Pre-Algebra | Tagged , , , , | 5 Comments

NCTM Highlights

Posted on October 12, 2012 by Cathy Yenca

It is always so refreshing to get together and share ideas with like-minded people – passionate folks who genuinely want to see students learning and loving mathematics in a 21st-century way.  Here are some highlights from the 2012 NCTM Regional … Continue reading →

Posted in Algebra 1, Pre-Algebra | Tagged , , | 4 Comments