Bisquare Numbers

We continue our investigation of Bisquare Numbers — the square areas we can make with graph paper, like 1, 2, 4, 5, 8, 9, 10, 13, ….  Is there a pattern? Math Circle OnlineSunday November 29 4:00-5:30pm Some of you may be unavailable this holiday weekend – please RSVP to make sure we have a …

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Area of a Square

This week we are going to investigate of the areas of various squares, using graph paper. Some squares are easy to make, those of area 1, 4, 9, or 16 for example. Some are a bit harder– and some are seemingly impossible. Math Circle OnlineSunday November 22 4:00-5:30pm You will need some graph paper to …

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HMMT

The Harvard MIT Math Tournament is a mathematics competition that has been run by MIT and Harvard math students since 1998. Due to the current health crisis, the tournament is solely online this year. The Math Circle is sending two teams to the tournament: the Granite State Rationals and the Granite State Radicals. We wish …

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Reversimals II

Let’s continue our investigation of reversimals – decimals that repeat the wrong way. Math Circle OnlineSunday November 8 4pm Look to email for login instructions.

Decimals and Reversimals

Let’s start with a review of fractions and decimals – which is easier to compute with? Then we will depart the familiar rational number system to explore the reversimals. Math Circle OnlineSunday November 1 4pm Look to email for login instructions.

Water Jugs and Lasers

The Math Circle meets this Sunday to look at a problem that was popularized by an action movie with Bruce Willis. To participate, we will need to use some special graph paper – please click this link and print out a copy. Math Circle OnlineSunday October 25 3pm Look to email for login instructions.

Fractions Done Wrong IV

The Math Circle will demonstrate how we can use the “Fractions Done Wrong” number tree to convert any decimal into a fraction (as closely as you like). For example, if you start at 1/1 on the number tree, and go right 3, left 7, right 15, where do you end up? Due to another engagement, …

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HMMT Practice

The Math Circle is sending two teams to compete in the Harvard MIT Math Tournament: The Granite State RationalsThe Granite State Radicals Those who are participating should receive an email, listing their teammates with contact information. They should also receive two not-too-hard questions from last years HMMT. Please take a crack at these questions, which …

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Fractions Done Wrong III

The Math Circle meets to further investigate the topic Fractions DoneWrong… this time using matrices. Math Circle OnlineSunday October 11 3:00-4:30pm Look for email with login instructions.

Fractions Done Wrong II

The Math Circle meets to further investigate the topic Fractions Done Wrong: Math Circle OnlineSunday October 4 3:00-4:30pm Look for email with login instructions.