Thursday, January 1, 2015

January 2014: Gilligan's Island, Mr. Kite, Rubik's Cube, and Factorials

(from January 30, 2014)

"Geometry re-Construction"





(from January 24, 2014)

"Cast-aways"



A tribute to the Professor, Russell Johnson (1924 - 2014)





(from January 16, 2014)

"Surface area and thinking outside the box"





****Find more math cartoons in the webcomic gallery at mathplane.com

or, follow at facebook, google+, pinterest...





(from January 10th, 2014)

"Factorials!"



English grammar students try to learn factorials!


Here are 4 factorial questions:
1) For integers > 1, what is (n - 1)! / (n - 2)! ?
2) For integers > 1, what is (n + 1)! / (n - 1)! ?
3) What is 6! 5! / 4! 3! ?
4) What are the last three digits of 20! ?


and, more math topics... 



 (from January 1, 2014)

"2 - 0 - 1 - 4 "

A math exercise:  

 Using 2, 0, 1, 4 and any combination of math symbols/operations/functions, write equations that compute to every number between 1 and 25.

(***for an extra challenge, try the same for 26 - 50)


 Hints and a set of solutions are in the destinations gate
 




Tuesday, December 30, 2014

December 2013: Rorschach Test, Scared Straight, Christmas, and New Year

(from December 31, 2013)

"2-0-1-4"


A New year:  Time marches on!



(from December 25, 2013)

"12's Day of Christmas" 

 
 Happy Holidays!


(from December 22, 2013)

"Geometry Polygon Question" 

Can you answer this Geometry Polygon Question?
What is the name of the regular polygon whose ratio of interior angle measure to exterior angle measure is 4:1?


 ANSWER
 


Find more Geometry Questions and Math Comics at mathplane.com 




(from December 19, 2013)

"Related Rates" 



(from December 12, 2013)

"Scared Straight"

 
 A tribute to the 1978 documentary narrated by Peter Falk...



(from December 9, 2013)

"Rorschach Test"

 
 (from December 3, 2013)

"Emigration, USA"

One Minute Math Question
In January 1923, 79,000 residents lived in Emigration, USA. Each year, 1/3 of the population would leave. (Assuming no births, deaths, or immigrants,) what year did the population eventually fall to under 100 residents?


The ANSWER and more decay and growth questions are at mathplane.com