"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

(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! ?

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