Author Archives: jgvadnais

About jgvadnais

Math Coach. Desmos Fellow. Google Level 1 Certified. SoCal transplant. New Englander at heart. Lover of yoga, dogs, green smoothies and coffee.

A Guest Teacher’s Challenge

INSPIRATION My last post, Multiplying Fractions: A Desmos Area Model, blended conversations from the same lesson run in two different classrooms. Although the lesson flowed similarly in both rooms, there was one student who viewed the presented problems differently.  Gabe … Continue reading

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Multiplying Fractions: A Desmos Area Model

INSPIRATION I’ve been tinkering with area models for awhile, storing countless versions in my teacher.desmos.com account.  A few of my area models support the conceptual thinking of multiplying fractions.  Recently, I was approached by a coaching colleague, Crystal, to teach … Continue reading

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Google Slides: Disguise a Turkey

Inspiration During our last Google Cohort Meeting, my colleague, Nicole, shared Eric Curts‘ Google Slides activity, Build a Jack-O-Lantern with our elementary cohort teachers.  Students and teachers loved it. The computer skills focused within the activity are: Copy Paste Creating custom … Continue reading

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Collaboration Tip 2: Don’t. Touch. Your. Computer!

The other day, I had the pleasure of running the Desmos Activity Builder, Nets & Surface Area: Rectangular Prisms, with Mrs. Keser’s 6th grade math classes.  I’ve updated the opening of the activity, since I first wrote about it back … Continue reading

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Organizing an Instructional Technology TOA

This is my first August as an Instructional Technology TOA and my colleagues and I are off the hook busy.  It’s common for me to start my day at the district office before heading off to 1 or 2 school … Continue reading

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First Day Plans: Chips & Salsa

The Days Leading up to the First Day  Last school year my district created a new department, Instructional Technology and Accountability, of which I am now a member.  We were tasked with preparing 2000 plus teachers for the integration of … Continue reading

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2017 – 18 Goal: Empower Teachers

  I’m highly goal oriented.  It’s normal for me to be working towards a variety of goals – Personal, professional, short term and long term. When I came across @ExploreMTBoS‘s tweet about their new blogging challenge, I grabbed my computer and … Continue reading

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Desmos Graph: Adding Positive & Negative Fractions w/ Dynamic Labels

Inspiration For the past 15 months, I’ve been working on fraction models.  When I brought the models to students, the resulting conversations were great.  Just what I was hoping for.  The downside stemmed from the behind the scenes “coding”.  My original … Continue reading

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Diving into Google Sheets: Adding Integers & Pixel Art Multiplication

Inspiration In August of 2014, I stepped out of the classroom to become a middle level math TOA/coach.  After 21 years of teaching, I craved a different challenge and found that challenge with Desmos.  Once I learned how to make … Continue reading

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Desmos Polygraph: The Periodic Table

  Desmos is not just for math teachers. To support this point, I created a Polygraph activity using elements from the Periodic Table. Eager to field test the Polygraph, I reached out to a few 8th grade science teachers.  Heather Wingo took me up … Continue reading

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