Tag Archives: math

Desmos, Dilations & The Vertical Classroom

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

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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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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Desmos Activity Builder – Intro to Unit Rate

 In August of 2015, Desmos launched it’s newest feature, Activity Builder. Activity Builder gives teachers the freedom to create their own computer based activity to focus on a concept of choice. It’s a great formative assessment tool. From their computer, Teacher’s … Continue reading

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