Month:

How tall is the Ad Astra sculpture?

  • September 9

Join Dr. Glen Whitney, founder of the National Museum of Mathematics on a math walk. He uses the power of similar triangles to calculate the height of a giant sculpture inside the NorthPark Center. How can we estimate the height of the sculpture without getting a ladder? This video was supported by NorthPark Center. Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here:... CONTINUE READING

What is the angle at the very top of the Ad Astra sculpture?

  • September 9

Join Dr. Glen Whitney, founder of the National Museum of Mathematics on a math walk. With the help of friends, he attempts to estimate the angle at the top of this very tall angle at the top of the Ad Astra sculpture. This video was supported by NorthPark Center. Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here: https://talkstem.org/talkst... CONTINUE READING

Angle a tron

  • September 9

In this video, we share the ways you can use this convenient math measuring tool to explore the places you visit with your child/student, including the place they are in right now from home to campus! You can freely print the angle-a-tron tool as well as the shapefinder tool onto an acetate using these pdfs... CONTINUE READING

How High Does it Climb?

  • September 9

The sculpture Venture, by Alexander Liberman, is composed of several steel tubes, stacked toward the sky. At such a great height, measuring its size by hand can be a challenge; instead visual estimation must be used. Additionally, the shapes comprising Venture are discussed, involving various ellipses and special forms that can even be recreated at home! This video was supported by the City of Dallas Office of Cultural Affairs. Supplementary Activity Guides for this video to extend student learn... CONTINUE READING

How Far Can We See?

  • September 9

The Texas Star is a ferris wheel that has delighted many families from 1985 onward. As one of the tallest such structures in North America, we wonder, exactly how far can you see from the top? Students and faculty from Greenhill School created this walk stop and contributed this content for all to enjoy! Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here:... CONTINUE READING

Similar Triangles or Not?

  • September 9

What are similar triangles and how can we tell if triangles are similar or if they are not? Students and faculty from CityLab High School, Dallas ISD join us on a beautiful day at Fair Park, an architectural treasure trove in the city of Dallas to explore this question using the sights of the Esplanade. Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here:... CONTINUE READING

What is the Really Big Number Here?

  • September 9

Dr. Glen Whitney, founder of the National Museum of Mathematics in New York and walkSTEM advisor, has fun with a really big number by estimating the number of stones that were used to build the sidewalk on Flora street. Using number arrays, estimation, and collaborative groupwork, Dr Whitney and friends come up with their estimate and then visualize how tall of a tower these stones would be if they were to be stacked up vertically. Can you guess? Supplementary Activity Guides for this video to e... CONTINUE READING

What Can You Measure in Bamboo Plants?

  • September 9

Dr. Glen Whitney, founder of the National Museum of Mathematics in New York and walkSTEM advisor, wonders what we can measure in the bamboo plants located at the entry to the Nasher Sculpture Center. Suggestions include length of nodes, distance between leaves, circumference of stalks, and more. Dr. Whitney then explores the possibility of a mathematical relationship between some of these measurements and age of the bamboo. How would we figure out if there was a relationship and also what type o... CONTINUE READING

What Kinds of Angles Are There?

  • September 9

Angles can be found all around us, but what types of angles are there? We find various angles on UT Southwestern’s Medical Center to discuss! Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus. You can freely print the angle-a-tron tool onto an acetate using this pdf: https://drive.google.com/file/d/1JPfBIatPfkZzi... CONTINUE READING