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I chose to work with Andria Kelly and Bob Batty on what was termed the “Modified Minesweeper” (how many squares shared an edge). Here is what we created:

Working with Dilations • Activity Builder by Desmos | Math common core | Teaching geometry, Teaching math, Geometry activities

This isn't a stretch. It's very, very doable. So much so, that in a position like mine, it's time to stop talk about “this great math app that I know of” ...

Slide 15: Time to transition from computer work to partner/group/whole class discussion. This is the teacher's opportunity to discuss the intricacies of ...

Activity Builder gives you the tools to build an online, interactive Desmos-based classroom activity.

The following slides are some examples of that have come from larger activities I have created for geometry. With the exception of slide 2 & 3, ...

In this Desmos activity students are asked to edit the equation to transform the parabola to fit the banana. (Jemma Sherwood/Desmos)

Desmos.com on Twitter: "New feature: Create polygons in our graphing calculator! (1) Make a table. (2) polygon(x_1, y_1) (3) 🎯 https://t.co/W8XFFZClaG… ...

content: "You entered $$$ e x p 4. l a t e x for your proportion. Now use your proportion to solve for x. You can use the input box as a calculator. "

You can read the article here: http://www.nctm.org/Publications/mathematics-teacher/2014/Vol108/Issue5/Graphing-Projects-with- Desmos/ ...

I chose to work with Andria Kelly and Bob Batty on what was termed the “Modified Minesweeper” (how many squares shared an edge). Here is what we created:

To practice dilations you just need two rubber bands. Curriculum Tags: Gr7, Gr8 https://twitter.com/davidpetro314/status/1114189338697273344

... student said that Image B was a reflection of Image A over the line y = x because he remembered the extension presented in this Desmos Activity earlier ...

Ahh, March! We're finally at the inflection point (almost) on the sunlight curve, which means we are picking up daylight at a greater rate than at any other ...

20108162_10209467967364314_6306883761995097741_n. 20228597_10209467965684272_6013110144933600088_n. 20106755_10209467964804250_1230632223628294187_n

We can use these ratios to find missing sides of triangles whenever we know angles and 1 side! What is the acute angle measure shown in this triangle?

I created this using Apple's Keynote, and I love using Apple Classroom to airdrop the image to every student's iPad so they can “Stand & Talk” about the ...

**SPOILER ALERT*** At the end of the movie, the Iron Giant reassembles itself from its parts that have been scattered about the globe.

MathyCathy's Blog – Mrs. Cathy Yenca | Happenings from my real-life 21st-century mathematics classroom

The initial purpose in creating the interactive rectangular prism net on Desmos was for students to investigate nets & surface area by first creating a net ...

You can try the Desmos activity here and see for yourself and check the link below for all the other resources. Curriculum Tags: All

Desmos is great for graphing things *for* us. If you want to assess whether *students* can graph an equation by hand, you might need another tool (my ...

I had one group that did not solve their equation correctly and their zipline ended up more like a free fall. I recorded their corrected solution in the ...

Many of my students would be reluctant to admit it, but they did enjoy this assignment. The excitement came when they put their Ozobots through the final ...

In other news, we've now posted the first version of our N-Gen Math 6 Curriculum on our site. If you haven't gotten our email blasts about our Next ...

Although there were only 7 sets of problems, I doubled them to create 14 stations. The maximum number of students I have in my classes is 20, ...