MTCircular Magazine

FEATURES


Good Things Come in Unexpected Packages

A Festive Christmas Tradition Leads to Adventures in Problem Solving

Nathan Borchelt

I see Platonic Solids in Your Future

What is the Shape Inside a Magic 8-Ball?

Sayonita Ghosh-Hajra

We the People

Can voting ever really be fair?

Lynne Pachnowski and Linda Saliga

The Surprising Shape of Success

Dave Honda Wins Art Exhibition Honor with Snapology Origami

Interview by Sonya Kohli

NEWS AND VIEWS

MTC Network, Initiative for Math Learning by
Inquiry Receive 100Kin10 Grant

MAA Hosts MTC Training Workshop

Shubin Honored with Mary P. Dolciani Award

MTC Network leader honored for bringing Math Circles to new communities

Engle, Danforth-Clayson Win Rosenthal Prize

Bay Area MTC members win national math curriculum writing contest


DEPARTMENTS

notefromaim

A Note from AIM

MTCs as Joyful and Equitable Spaces

dispatches

Dispatches from the Circles

Local updates from across the country

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MAGAZINE ARCHIVE

2017SAcover

Spring 2018

A touch of infinity, pentagon tilings, lessons from preschool, and an escape room adventure.

2017SAcover

Summer/Autumn 2017

Introducing social issues through math, exploring a 2,000-year-old problem, and more.

2017WScover

Winter/Spring 2017

How MTCs affect teachers’ identities and beliefs about math. Plus: Spot It and Freeing the Clones.

More back issues, 2011 to present >


VIEW RESOURCES FROM THIS ISSUE

Page 4: Good things, Unexpected Packages
  • Calkin, Neil and Wilf, Herbert S. Recounting the rationals. The American Mathematical Monthly, Vol. 107, No. 4. (2000), pp. 360-363.
  • Coins in Twoland, Joshua Zucker.
  • Recipe for 3D-printed binary coins
  • Session handouts:
    • Hyperbinary counting sheet (Word doc)
    • Hyperbinary numbers proofs key (PDF; TeX files available upon request)
    • Hyperbinary tree handout (PDF; TeX files available upon request)
Page 8: I see Platonic Solids in Your Future
Page 12: We the People
Page 14: Locked Out
Page 17: Opportunities
  • American Mathematics Competitions: tests and curriculum materials that build problem-solving skills in middle and high school students.
  • Rosenthal Prize: applications are now open for a $25,000 prize for innovation and inspiration in math teaching.