Math Circle

Coin Games

This Saturday we will investigate some games you can play by flipping coins. This will lead to the application of a famous theorem discovered by an English minister. Math Circle Online Saturday October 29 2022 7:00-8:30pm Look to email for login instructions.

Phone to Fraction Algorithm

Let’s continue our investigation of the Phone to Fraction problem, by implementing the solution as an Algorithm. What other problems can we use the algorithm for? Math Circle Online Saturday October 22 2022 7:00-8:30pm Look to email for login instructions.

Phones to Fractions

I once visited my friends in the country of Kwotentia. In this strange land, all the phone numbers must be dialed as fractions.   My friend Yoo’s number was 333-3333. Her number was easy to dial as a fraction. My other friend Claude’s number was 714-2857. It took me a while to realize I could just …

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More Multiplication

This week we conclude our investigation of the patterns that result when we multiply in a modulo manner. Math Circle OnlineSaturday October 8 2022 7:00-8:30pm Look to email for login instructions.

Multiplication is like addition… sometimes

Last week we saw how to translate multiplication modulo 7 into addition modulo 6. This week we continue our investigation of translating multiplication into addition. But is it always possible? Math Circle OnlineSaturday October 1 2022 7:00-8:30pm Look to email for login instructions.

Translations

Last week, we translated the game Magic Fifteen into a more familiar game, and translated multiplication into addition. This we continue our investigation of mathematical translations. Math Circle OnlineSaturday September 24 2022 7:00-8:30pm Look to email for login instructions.

Magic Fifteen

The Math Circle starts its 2022/23 season with a new game called Magic 15. Or is it an old game?? If you want to participate but have not yet signed up, please register here. Math Circle OnlineSaturday September 17 2022 4:00-5:30pm Look to email for login instructions.

Summer Math Circle at Rivier University

The Summer Math Circle is starting next week! We are pleased to have Prof. Teresa Magnus, head of the Math Department, as a keynote speaker. The Summer Circle is a week-long encounter with unusual, challenging, and fun mathematics: New Hampshire Summer Math Circle at Rivier University For mathematically interested students, rising grades 9-12Each session is …

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End of Season Gathering

We’ve had a successful year investigating a number of challenging math topics. Please join us for an IN PERSON end-of-year celebration, featuring math, games, and refreshments. Our topic: we know how to add two numbers (like 3+4) or multiply two numbers (like 3×4), but what if we both add and multiply them (3+4+3×4)? Math Circle …

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Calculating More Square Roots

Last week we found an interesting way to calculate the square root of two to high accuracy, just using pencil and paper. Can we use the same approach to calculate other square roots? Math Circle OnlineSaturday May 28 2022 4:00-5:30pm Look to email for login instructions.