Pricing & Articles
Organizational skills crucial to success
October 12, 2018
Are we sabotaging our own kids' math "ability"?
April 7, 2017
Puzzles from Raymond Smullyan
February 20, 2017
Expectations of Teaching Vs. Respect of Teaching?
August 30, 2016
Thoughts about math education [ part 2 ]: Social value of the teacher profession and it's consequences.
May 10, 2016
"Is memorization a good strategy for learning mathematics?"
April 23, 2016
Math Puzzle 5.
April 22, 2016
Can it be better?
March 25, 2016
Success in 5th grade!
March 7, 2016
Math Puzzle 4. [few solutions]
February 13, 2016
Good work habits + consistency = success
February 10, 2016
Organizational skills encompass the ability to use your time, energy, resources, etc. effectively so that you can accomplish the things you want to ac...
January 6, 2016
Place 6 checkers on a table in a row, alternating them black, white, black, white, and so on as shown.
Leave a vacant place large enough for 4 checkers on the left.
Move the checkers so that all the white ones will end on the left, followed by all the black ones.
The checkers must be moved in pairs, taking 2 adjacent checkers at a time, withouth switching their order, and sliding them to a vacant place.
To solve this problem, only 3 such moves are necessary.
Have fun ! :)
Solution is coming on January 10th.