# Category Archives: Maths on a Mug

## Maths on a Mug #6

#mathsonamug #maths pic.twitter.com/qSGskpdj4j — Dr. Sean (@seanelvidge) January 15, 2016 I was out of the office today so didn’t have access to my chalkboard mug. Luckily I’ve got other mugs with maths on! This one has the Curtis MOG on it. … Continue reading

## Maths on a Mug #5

#mathsonamug #maths #Powerball pic.twitter.com/AgkojRcT3y — Dr. Sean (@seanelvidge) January 14, 2016 Last nights Powerball lottery in the US was an incredible $1.5B! But what were the odds of winning? You need to get 5 numbers from a pot of 69 in the main … Continue reading

## Maths on a Mug #4

Inspired by yesterday’s rainbow #mathsonamug #maths pic.twitter.com/GGmrzyUtHB — Dr. Sean (@seanelvidge) January 13, 2016 Yesterday my (by far) most popular tweet was a picture of a rainbow. So I thought I would do a little diagram of what causes us … Continue reading

## Maths on a Mug #3

#mathsonamug #maths pic.twitter.com/9WbMgghlfB — Dr. Sean (@seanelvidge) January 12, 2016 This is one of my favourite puzzles. It is a simple, life long game. Using exactly four 4s make as many numbers as you can. You can use the operators … Continue reading

## Maths on a Mug #2

#mathsonamug pic.twitter.com/nnMowcsljj — Dr. Sean (@seanelvidge) January 11, 2016 This is a classic Martin Gardner puzzle. One solution is (from the Guardian): “Construct the additional squares indicated by dotted lines. Angle C is the same as the sum of angles … Continue reading

## Maths on a Mug #1

For Christmas I got one of those chalkboard mugs. Following the suggestion of someone in the office I wrote a maths equation on it, and tweeted it. Now I can’t stop. The only problem is a mug isn’t really a lot … Continue reading