Category Archives: proportional reasoning

Desmos, Dilations & The Vertical Classroom

Posted on February 20, 2016 by jgvadnais

This is a story about a Desmos Activity Builder that flopped The changes that transformed it into a successful activity 1st time teaching the lesson:  Mrs. Paine’s room I’m excited to test out the Desmos Activity Builder on Dilations with students.  The lesson started … Continue reading →

Posted in desmos, Math Education, proportional reasoning, Uncategorized, vertical classroom, vnps, white boards | Tagged , , , , , , , , , | 4 Comments

Designing & Implementing a 3-Act Lesson: The Drumstick Dash

Posted on January 9, 2016 by jgvadnais

If we want innovative students, we need to be innovative leaders and educators.                                                       … Continue reading →

Posted in 3-Act, proportional reasoning, Uncategorized | Tagged , , , , , , , | 4 Comments

Race Day (Part 3): The Results: Involving Inverse & Direct Variation Graphs

Posted on January 25, 2015 by jgvadnais

Here it is, the 3rd and final installment of Race Day.  Training is over.  The race has come and gone.  Celebrations have ended.  All that’s left is the analysis….         Before:  13.1 = xy         … Continue reading →

Posted in Direct variation, graphing, inverse variation, math, mathematics, proportional reasoning, running | Tagged , , , , , , , , , , , , | 4 Comments