How can educator forge better relationships with their community? This is a great example of reaching out to the community, providing useful information and showing how some calculations can be important in our day to day life. In fall 2017 Amy Gross decorated a table, created a display of information, shared her hydration tracking system and samples of fruit infused

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## Take and Make: Angle Sum Set

This is a fantastic way to layout this problem posted on twitter by Olivier Longuet and pointed out to me by Ralph Pantozzi. The drawing progression is on the right or you can etch the left (blank) onto wood, and add the finished pieces as you figure it out. Our files are here if you want a jpg, svg, Corel

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## Take and Make: Moscow Puzzles Crayfish and Flower

Here are two fun puzzles you can find in this classic book. The files to make them are right here! (secret: The wood is colored with Bingo stampers) Moscow Flower and Crayfish, Laser cut file types: Corel 2020, Adobe Illustrated, SVG, JPG

## Math in the NY Times At Home Section

We were happy to have a submission to the NY Times accepted for publication. We wrote some directions for making a Sonobe cube and if you make 27, you can make the parts of a Soma made some graphics files, but the editorial team makes it all look beautiful. Also the photographer is pretty amazing! We also had a nice

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## Making a Pool Test Apparatus

You don’t need robots and computers, just a system and apparatus to organize the steps! This model is based on the results alluded too but not completely explained by an Israeli company in the recent NY Times article by David Halbfinger on creative pool testing options. https://www.nytimes.com/2020/08/21/health/fast-coronavirus-testing-israel.html Trying to come up with one of these is a great activity for

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## Take and Make: Parallel Ruler and Compass Rose

In 2019, we brought our suite of Navigation Math to New York to share how we relate math to Texas History and the voyage of La Belle which is on exhibit at the Texas State History Museum. Files to make our version of the Parallel Ruler are here. Files to make our version of the Compass Rose are here. Participants

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## Webinar: Making the Most of Math Connections at your Museum or Historical Site

Elizabeth Lay, Claire Steffen and I had the opportunity to present a webinar through the Texas Historical Commission today. We discussed ways that museums can enhance visitor experiences with math, showed a variety of examples of math activities at museum locations and talked about our process in developing connected activities. Our Presentation Slides are here The Handout Recording Hosted by

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## Take and Make: Sum of Squares of Odd Numbers – Freese Transformation

This Geometric Transformation shows how the sum of the first 6 Odd Squares is the square of 6, or 36. Its the classic “proof without words”. Freese’s Transformation also shows this relationship, but his “squares” all have sides sqrt 1, sqrt 3, sqrt 5, and so on. Freese Corel File, Adobe Illustrator File, Jpg printable

## Take and Make: Experimental Mathematics Cucumber Edition

Here’s a fun one! Inspired by a conversation with Chris Daniels of Public Math. He said roll paper around a cylinder and cut on an angle to get an ellipse and produce a sine wave. So we did! And you can too. Then you can make a roller from ellipses, reflect your sine curve and roll the elliptical roller along

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## Take and Make files are spreading! Fantastic!

It is very exciting to see our files being used and the great results! Gotta love the math and maker communities on twitter! Thank you @MathHappensOrg https://t.co/yJ63LBiqJp — Ralph Pantozzi (@mathillustrated) March 13, 2020