# A great problem for kids posted by Tina Cardone

[sorry for the hasty write up – I had some problems downloading the video from the camera, and the rest of my day is a little busy. Just wanted to get this one out the door because it is so fun.] Saw this wonderful problem posted on Twitter by Tina Cardone yesterday: For clarity, here’s … Continue reading A great problem for kids posted by Tina Cardone

# A follow up to our Tina Cardone geometry project

Had a ton of fun turning a problem that Tina Cardone shared in to a 3D printing project earlier this week: A Cool Geometry Problem Shared by Tina Cardone So when I saw this problem in my son’s Geometry book this morning, I couldn’t resist trying a similar project today: The problem is fairly straightforward … Continue reading A follow up to our Tina Cardone geometry project

# A cool geometry problem shared by Tina Cardone

Saw this neat geometry problem shared by Tina Cardone on Twitter earlier today: One little spoiler in the first video below just in case you want to think through the problem first. There are a couple of algebraic solutions to the problem that aren’t too difficult. The result is so cool and so simple, though, … Continue reading A cool geometry problem shared by Tina Cardone

# Sharing Po-Shen Loh’s new idea about the quadratic formula with kids

Yesterday thanks to a tweet from Tina Cardone I saw a neat article about a new idea about the quodratic formula from Po-Shen Loh: I thought it would be fun to see what the boys thought about this new idea. We haven’t looked at the quadratic formula in a long time – probably at least … Continue reading Sharing Po-Shen Loh’s new idea about the quadratic formula with kids

# *Ten 3D Printing math projects to help students explore math

Yesterday I was able to watch the Global Math Project presentations (well, most of them) via the Facebook Live feed. Hopefully those videos will be preserved here: The Global Math Project’s Facebook page One tank that caught my eye was given by Henry Segerman. I’d guess that his work and Laura Taalman’s work account for … Continue reading *Ten 3D Printing math projects to help students explore math

# A few follow ups to the triangle puzzle

This morning we did a fun project involving a little triangle puzzle: Here’s that project: A nice little triangle puzzle During the day I was just playing around with the triangles and found a couple of other fun ideas from geometry to show the kids. First, an alternate proof that the two shapes have the … Continue reading A few follow ups to the triangle puzzle

# 10 women in math who inspired our math projects

(1) Fawn Nguyen Fawn Nguyen has actually inspired so many of our projects it is hard to just pick one – she just share so much good stuff – but this Zome project is one that I’ll always remember. A 3D Geometry Proof With few words courtesy of Fawn Nguyen Her picture frame project is … Continue reading 10 women in math who inspired our math projects

# Our year in Math

I guess this is more of a November 2014 to November 2015 post, but I had some down time today and was thinking about all of the math-related things that I seen as well as some of the ideas that made for fun projects with the kids throughout the last year. Here’s what came to … Continue reading Our year in Math

# Patrick Honner’s 3d Printing post

Saw this great post from Patrick Honner today: 3D Printing in Math Class I am also a huge fan of using 3D Printing to help kids learn math. A few fun projects have been: (1) Using Laura Taalman’s 3D Printed Pentagons to Talk Math with Kids This project explores the 15 pentagon patterns that can … Continue reading Patrick Honner’s 3d Printing post

# Can an irrational number to an irrational power be rational? (thanks Francis Su!)

Saw this really neat lecture from Francis Su posted on Twitter today: In the lecture he gives a really cool proof that an irrational number to an irrational power can be rational. I can’t remember ever seeing this proof before and I since it uses only really basic ideas about powers, I thought I’d share … Continue reading Can an irrational number to an irrational power be rational? (thanks Francis Su!)