Math Circle

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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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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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.

Fractions Done Wrong

This Sunday we will investigate some interesting mathematics that was independently discovered by a German mathematician and a French clock maker: what happens when we add fractions the wrong way? Math Circle OnlineSunday September 27 3:00-4:30pm Look for email with login instructions.

The Hungry Bug

This Sunday we will look at a couple of interesting but not too serious problems: What happens when we cross numbers off a list (according to a peculiar rule)? How can a hungry bug find all the food? Math Circle OnlineSunday September 20 3:00-4:30pm Look for email with login instructions.

A trip to the casino III

Please join us as we continue our investigations of Simon and Connie at the Casino (aka, mathematical applications to financial markets). Math Circle Online Sunday September 13 3:00-4:30pm Look for email with login instructions.