Saturday, November 29, 2014

November 2012: Mobius Strip, James Bond, Coordinate Geometry, and Roulette in Hell

(from November 30, 2012)

"Casino Gambling in Hell"

Weekly Webcomics Archive is at

(from November 23, 2012)

"Uncoordinated"  featuring Miss LaPointe and Mr. Descarte

Check out this coordinate geometry exercise

(from November 17, 2012)

"The Spy who loved e"

Ian Fleming's novel about a math teacher

(from November 10, 2012)

"Math Rap"

2pi Crew and Xdx perform "Busta Proof" at the Mobius Strip

Thursday, November 27, 2014

October 2012: Halloween, Therapy, Roman Numerals, and Writer's Block

(from October 6, 2012)

"Writer's Block"

(from October 12, 2012)

"The Ambiguity of Roman Numerals"

Information and Roman Numeral Puzzles

(from October 20, 2012)

"Math Mediator"

Mathplane Webcomic #55 - "Math Mediator" -- Max N. Teger (Greatest Integer Functions)

 "We Order Pairs, so that Relations can Function"

(from October 26, 2012)


Happy Halloween!

Which would you prefer? (Which quantity is greater?)
1) 2 liter bottle OR 6-pack of (12 oz cans) of Coke? 
2) 4 liters OR 1 gallon of Halloween Punch? 
3) 5 ounces OR 2 pints of hot chocolate? 
4) 5 ounces OR 5000 milligrams of candy?


(from October 31, 2012)

"Math Halloween Costumes" 

Find the weekly math comic at

Tuesday, November 25, 2014

September 2012: Billiards, Yahtzee, The Usual Suspects, Golf, Billiards, and Friends

(from September 7, 2012)

"Odds of Rolling a Yahtzee"

Yahtzee is a popular board game that originated in the 1950s. A 'Yahtzee' occurs when all 5 dice have the same value. What is the likelihood of getting Yahtzee in one roll?

Watch Amusing yahtzee videos at Numberphile:

Or, find probability and yahtzee notes at

(from September 9, 2012)

"Sketch Artist" - Webcomic #49A

"The Usual Suspects" - Webcomic #49B

At the math police station, the usual suspects are rounded up....

Find more comics at the mathplane gallery

(from September 15, 2012)

"Four Play"

Golf featuring George Fourman and Ace the #1 Golf Pro!!

Golf Hidden Message Math Puzzle

Golf theme --- clue: "Normal"

SOLUTION is here:

Find more hidden message puzzles at

(from September 21, 2012)

"Best Math Friends"

HE is a friend through ups and downs!
(It's a good sine when near someone who is always positive...)

(from September 29, 2012)

"The Math Hustler"

Professor Eddie Felsen at Billy Ard's Pool hall....

Check out "Trick Shots at the Pool Hall" for solution and more puzzles!

Monday, November 24, 2014

August 2012: Olympics, Squares, Jeopardy, Gauss, 7-11, and tennis love

(from August 31, 2012)

"Love - 40; Tennis Match"

"Love - 40" might have been misunderstood at the math invitational tennis tourney.

Follow the weekly math comic at

(from August 25, 2012)

"7 - 11 and Nine"

A missed opportunity!

(from August 17, 2012)

"Math Jeopardy with Gauss and Pascal"

(Teen Prodigies!)

Check out humorous facts about Gauss...

(from August 12, 2012)

"Country Western Night"

A bunch of squares featuring a visit from Sponge Bob Square Pants

How many squares in the diagram?

A few weeks ago, there was a question floating around the internet:  "How many squares are in this diagram?"  
I was surprised that the answers ranged from 15 to 60...    

The solution is in the mathplane spare parts section

This diagram reminded me of a math exercise that my students and I discussed a few years ago:  How many squares can be found in a standard 8 x 8 checkerboard?
(To solve, we found a pattern)...      

 Answers are here...

(from August 4, 2012)

"Math Olympics Competition and Ceremony"

Sunday, November 23, 2014

July 2012: Olympics, 4-color cabin, product placement, and a magician

(from July 29, 2012)

"Math Olympic Evennts"

(from July 21, 2012)

"The Four-Color Cabin"

The Guthries residence...

(from July 14, 2012)

"Chalkboards and Billboards"

(another advertisement!)

Find the weekly math webcomic at

(from July 7, 2012)

"Two-time Math Magician"

Webcomic #101000 base 2

In Base 2, there is only one number between  10  and  100...    In Base 3, how many numbers are between 10 and 100?

Answers (and more math topics) in the spare parts section of