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Author Archives: jgvadnais
#ObserveMe: A Professional Development Opportunity
With 2 weeks of wonderful experiences to share, I sat down at my computer ready to blog. However, my mind kept jumping from story to story. I was unable to pick one experience to highlight. I decided, instead, to discuss the … Continue reading
Posted in Uncategorized
Tagged #ObserveMe, desmos, math education, professional development, Robert Kaplinsky
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Comparing Fractions w/ Desmos
For the past few days, I’ve been hanging out with Mrs. Becker’s (Peytra) 6th grade exploratory class. We both like experimenting with new strategies and often use her exploratory kiddos as guinea pigs. Our recent experiment – Fractions. Last year I … Continue reading
Posted in desmos, fractions, Uncategorized
Tagged Comparing Fractions, desmos, elementary, equivalent fractions, fractions, grade 4, grade 5, Grade 6, math education, SMP #2
3 Comments
Rethinking Classroom Design: Collaborative Stations, VNPS & Desmos
Twitter Math Camp ’15 sent me down the vertical classroom path (Click here to read post). Throughout the 20152016 school year, I promoted vertical nonpermanent surfaces (VNPS) whenever possible. Lucky for me, Joe, a 7th/8th grade teacher, was interested and additional white … Continue reading
Posted in desmos, Math Education, TMC15, Twitter Math Camp
Tagged classroom design, collaboration, collaboration stations, desmos, equations, math, math education, Vertical classroom, VNPS
1 Comment
Desmos, Progressions & Supplementary Angles
Summer! The time to catch up on sleep, projects around the house and blog posts. This post is the 3rd in a 3 part series I started back in February. I spent two days working with Candace and her 7th grade … Continue reading
Posted in desmos, Uncategorized
Tagged common core, desmos, education, math, progressions, SMP, Standards of Mathematical Practices, Supplementary Angles, technology
1 Comment
Building Academic Language w/ a Desmos Box & Whisker Polygraph
Before school ended, I had the pleasure of running a Box & Whisker Polygraph created by 2 colleagues, Tim Rochester and J.J. Martinez in Carmen’s 6th grade classes. She had not yet introduced Box & Whisker Plots. Afterwards, I brought … Continue reading
Posted in desmos, Uncategorized
Tagged desmos, math, math education, ploygraph, technology, vocabulary
6 Comments
Nets, Surface Area & Desmos
Before explaining the lesson, I’d like to thank Monica, Allison and Peytra for allowing me to field test this Desmos Activity Builder with their students. If it wasn’t for their flexibility, I wouldn’t have the opportunity to refine the activity. … Continue reading
Progressions: Fraction Fact Families
This, my district’s second year implementing Common Core strategies, has been the year of PROGRESSIONS. As the months flew by, the use of the word progressions increased. Being a math coach, I’ve spent time studying and discussing the progression of standards … Continue reading
Posted in Uncategorized
Tagged common core, desmos, fractions, multiple representations, progressions
7 Comments
Why Do We Invert & Multiply? An Explanation
Ours is not to reason why, just invert and multiply. WHY! Keep Change Flip WHY! My district’s focus, this year, has been conceptual understanding. Therefore my coaching colleagues and I have been searching for a clear explanation to why we invert … Continue reading
The Zeroth Power: Desmos & VNPS
Inspiration Negative exponents can be a confusing topic for many students. Due to time constraints, I’ve focused more on the rules in lieu of introducing negative exponents conceptually. As a result, students become confused on how the negative exponent effects … Continue reading
Posted in desmos, Uncategorized
Tagged base, desmos, exponent, math, math education, negative, Vertical classroom, VNPS, zeroth power
1 Comment
Using Manipulatives: The Triangle Inequality Theorem
I was working with a 7th grade class on the Triangle Inequality Theorem. Groups were given 8 pencils from 1 in length to 8 in and were asked to create triangles given various combinations of pencil lengths. Some combinations worked … Continue reading