Tag Archives: math education

Collaborative Group Roles – How I Became a Fan

As the title suggests, I was not always a fan of group roles.  I didn’t buy into the concept and often thought, I can see it working for other teachers but not for me.  I’ve changed my tune.  Here’s my … Continue reading

Posted in building relationships, Collaborative Group Roles, math, math coach, Math Education, mathematics, Uncategorized | Tagged , , , , | 3 Comments

Desmos, Complementary Angles & SMP#3

********************************************************************** It started when my colleague, Mari, showed me her moveable pentagon.  At one point, the pentagon transformed into an angle which sparked an interest in angles – creating angles, moving angles, measuring angles.  I reached out to both Desmos and my … Continue reading

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A Day in the Life of an Instructional Coach

Monday January 11, 2016   First day back from Winter Break! 7:30 a.m.  I met with Kari and Jamie.  Kari’s a 50% teacher who just picked up a math intervention class for second semester.  Jamie’s our principal.  We discussed a … Continue reading

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

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

Tap Tap Trigonometry

Tap Tap Trigonometry, a spin-off of Algebrainiac1’s Dance Dance Transversal, involves students tapping out the ratios for sine, cosine and tangent to a beat. As I described in my blog post, Dance Dance Transversal – A Guide, Algebrainiac’s the originator … Continue reading

Posted in kinesthetic, math, Math Education, Trigonometry, Uncategorized | Tagged , , , , , | 10 Comments

Desmos: An Introduction to Irrational Numbers

Recently, I co-taught a lesson with a colleague where students  investigated square roots.  The lesson revolved around the following  Desmos Activity Builder task. Afterwards, I blogged about the experience and sent the post to my teachers.  Peytra, a six grade … Continue reading

Posted in desmos, Irrational Numbers, math, math coach, Math Education, mathematics, Pi, technology, Uncategorized | Tagged , , , , , , | 2 Comments

Desmos & Writing a line in Slope-Intercept Form

One of my teachers asked me to incorporate a different perspective on writing a line in slope-intercept form when given two points.  As I drafted notes, I thought, “Why not write the steps in my blog”.  I’ll have a hard … Continue reading

Posted in desmos, equations, graphing, linear equations, Math Education, mathematics, Slope-Intercept Form, Uncategorized | Tagged , , , , , , , , , , | Leave a comment

Barbie Bungee – A Guide

It all started at Twitter Math Camp ’15 (#TMC15), when my colleague, J.J. Martinez, participated in the Barbie Bungee workshop presented by Fawn Nguyen and Matt Vaudrey. The math modeling activity became his  #1TMCthing. To satisfy the #1TMCthing challenge, J.J. had to … Continue reading

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Teaching Tips from a Toddler

A mom, grandmother and 2 toddlers walk into a Barber Shop …. The Barber Shop was jamming. Guys, young and old, patiently waited for their Thanksgiving Day haircut.  Simon, a curious 3 year old, had to wait his turn.  To pass the … Continue reading

Posted in building relationships, Math Education, teaching, Uncategorized | Tagged , , | 1 Comment

Efficiency is in the Eye of the Beholder

For the past two years, I’ve heard many math educators push the idea of mathematical efficiency. The more I hear the word, efficient, the more I cringe for I feel its usage suggests: Students are thinking inefficiently in defiance. The algorithm is the … Continue reading

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