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!

## MathHappens in the Newspaper: Tangrams

We need more math where people can find it, play with it, and enjoy it. We are very excited to have Tangrams in this weeks’ Austin Chronicle and very excited for the next nine entries. Elizabeth Wrightsman is heading our newspaper project and we are all contributing with ideas, layouts, and landing pages (accessible from QR codes) for additional activities.

…

## 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

…

## 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

…

## 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

…

## Awesome Math Making Ideas from Other People – Napiers Bones

Here’s an excerpt of a twitter conversation. Day before yesterday Aida wrote to get access to some of our files and ideas. Yesterday she made this amazing version of Napiers Bones that is in the National Archeological Museum in Madrid. Today I’m inspired by her project and want to know more about this version and I want to see that

…

## Take and Make: Hinged Parabola Stretcher

Super simple and yet kind of cool. You need a machine screw, a wing nut, some scrap wood about 4″x.5″, and some stretchy elastic. Directions and Files Here. Check the video on Twitter to see how it moves. Article from American Mathematical Association here. Also if you don’t want to make from scratch, we could send you the parts. Fill

…

## Take and Make: Laser cut 3d Tangrams

Viang Shah created his own Corel Draw file to make this design. You are invited to make your own design files or use his which are posted in Corel, AI and SVG formats.

## Take and Make: Pythagorean Puzzles are a hit in Middle School

These two Pythagorean Theorem Puzzles were a hit with Paola Garcia’s middle school students. Paola mentioned that some students who are not as facile with pen and paper exercises excelled with the wooden puzzles and that overall everyone enjoyed them. Laser cutting files are posted here. These do not have the solutions etched into the board

…

## Austin Nature and Science Center Fall Fest Star Party

One person can make a real difference by bringing math into a family event at the Nature Center. Emmie Chng was working solo with an enthusiastic gathering of families. They learned how to make a plumbline, how to use a quadrant, how to make one at home and why we look to the north star to find latitude. Here’s the

…