emergent math

Lessons, Commentary, Coaching, and all things mathematics.

Category: perimeter

  • Can we make an even “edgier” brownie pan? What about the “perfect” brownie pan?

    Artifact This, my friends, is part math, part food, part art, all deliciousness: It’s the all edge brownie pan, which I found from my new Favorite Website of All Time, Reasons to Go Broke. Here’s the description from the Amazon page (perfect 5-star rating): “For corner brownie fans and chewy edge lovers, it’s a dream…

  • How can we measure the egregiousness of gerrymandering? Geometry, Perimeter, and Area

    Artifacts This NY Times article/interview conducted by FiveThirtyEight.com’s Nate Silver and David Wasserman, House editor of the Cook Political Report. Particularly this snippet: And/or this slideshow from Slate showing the most gerrymandered congressional districts in the nation. Here’s my favorite from Illinois: It’s worth noting that by federal law, congressional districts have to be “contiguous.” That means…

  • How do you slice this? ; Papa John’s heart-shaped pizza

    Artifact This perplexing Valentine’s Day themed pizza shape from Papa John’s. In case you’re wondering, I was not able to find an actual size of the pizza on their website. Only this:

  • A single robot-made rainbow ; what does it mean?

    Artifact This amazing video of a rainbow-painting robot. (h/t: Science Friday.) Guiding Questions How much paint did this guy need of each color? What’s the radius of the rainbow? or, What’s the length of the arm that moves in a semi-circle that paints the rainbow? Which color will run out soonest? And how much sooner?…