Tag Archives: math education

Inspiration Toward the end of the school year, my colleague Jorge and I, had a regular gig co-teaching in Mrs. S’s 4th grade class. Jorge had been working with Mrs. S throughout the year on various projects. I joined the … Continue reading

3-Act : Dried Mango

Percent of change falls within the 7th grade standard domain of Ratios  & Proportional Reasoning. Knowing that students often struggle with this topic, I wanted to create a 3-act to aid in their understanding. I initially wanted to show the … Continue reading

#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

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

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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 2015-2016 school year, I promoted vertical non-permanent 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 | | 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

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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

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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 | | 1 Comment

3 Act Lesson: Volume of a Cylinder

My Inspiration Volume is measured in cubes, hence the label cubic units.  This concept is easy to visualize when building structures with 1 in³ cubes or when calculating the volume of a rectangular prism.  A cube is a special type … Continue reading

Posted in 3-Act, Uncategorized | | 6 Comments