Category Archives: desmos

Desmos: Random Generated Slope & Y-intercept Activities

Inspiration RandomGenerator is one of the functions within Desmos’ computational layer.  As I explored the feature, I began to see the benefits of random generated tasks.  Many experiments later, I’m publicly sharing my first random generated (RG) series.  This one … Continue reading

Posted in desmos, Uncategorized | Tagged , , , , | Leave a comment

Desmos Polygraph Extension Task

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

Posted in desmos, Google, Math Education, Uncategorized | Tagged , , , , , | Leave a comment

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

Posted in building relationships, desmos, Uncategorized | Tagged , , , , , | Leave a comment

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

Posted in desmos, fractions, Uncategorized | Tagged , , , , , , | 1 Comment

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

Posted in desmos, math, Math Education, technology | Tagged , , , , , | Leave a comment

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

Posted in desmos, fractions, Uncategorized | Tagged , , , , , , , , | Leave a comment

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

Posted in desmos, Uncategorized | Tagged , , , , | 2 Comments

Desmos Marbleslides: 10 Frame Addition

Inspiration Many many months ago, I saw an intriguing tweet. Kristin, @mathminds, had made a Desmos AB focused on 10 Frames and was inquiring about the possibility of an interactive one. Challenge excepted.  I viewed her inquiry as a chance to … Continue reading

Posted in desmos, Uncategorized | Tagged , , , , , , | Leave a comment

Desmos Polygraph: Geometry Basics

Today, I had the pleasure of introducing Desmos Polygraph: Geometric Basics to a group of 4th grade students.  It was my first time teaching in an elementary classroom and I enjoyed every minute. Starting To avoid answering the same question 100 times, … Continue reading

Posted in desmos, technology, Uncategorized | Tagged , , , , , | 2 Comments

Desmos: Percent Challenges

Inspiration These days, I’ve been a bit obsessed with the double number line.  I love using it to teach proportional reasoning – especially percents.  Why? A double number line… Allows for flexible thinking. Expands on a single idea to present a bigger … Continue reading

Posted in desmos, Uncategorized | Tagged , , , , | Leave a comment