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! ?

Factorial SOLUTIONS

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