Tag Archives: Mathematics

Grandpa’s Magic Square Puzzle

Posted on 2018, March 14 by

When I was a boy, my grandfather used to give me puzzles for me to solve. The following puzzle is one of them. A magic square is an arrangement of numbers from 1 to n2 in an n2 matrix in … Continue reading →

Posted in Mathematics, Puzzles | Tagged , , , , | 39 Comments

Learn A Basic Number Theorem Through Playing Cards

Posted on 2018, March 7 by

The following is a simple activity for learning a simple number theory concept. This is based on the procedure described by Martin Gardner in Time Travel and Other Mathematical Bewilderments (1988). All you need for this is a pack of cards. … Continue reading →

Posted in Mathematics | Tagged , , , | 5 Comments

Zero Sum And Difference Game

Posted on 2018, March 3 by

Consider this group of squares: 1237892 + 5619452 + 6428642 – 2428682 – 7619432 – 3237872 = 0 When looking at the calculation above, it seems that it’s not a big deal. Although the six large squares yield zero after the calculation, it is not really … Continue reading →

Posted in Mathematics | Tagged , , , | 14 Comments

The Curious Collatz Conjecture

Posted on 2018, February 10 by

Select any whole number greater than zero then perform the following operation: If the number is even, divide it by 2. If the number is odd, multiply it by 3 and add 1. It’s said that if you continue to … Continue reading →

Posted in Mathematics | Tagged , , | 12 Comments

Curious Number Patterns #6: 323323, 19683 & Other Miscellaneous Curiosities

Posted on 2018, February 5 by

Curious Number 323323 Besides being a palindromic number, 323323 has some other cool properties. For example, it is equal to 7 × 11 × 13 × 17 × 19, which are consecutive primes. It’s also equal to the sum of … Continue reading →

Posted in Mathematics | Tagged , , , | 14 Comments

The First One Million Digits Of Pi

Posted on 2018, January 31 by

Here’s a site with a strange name (arguably, in this context, not so) that shows the first one million digits of π. The site is: http://3.141592653589793238462643383279502884197169399375105820974944592.com The exact web address that contains the one million digits of π is:

Posted in Mathematics, Technology | Tagged , , , , | 11 Comments

Pun Of The Weak: Math Booths

Posted on 2018, January 21 by

I went to a math conference, and they had booths set up for several different branches of mathematics so students could learn about them. Unfortunately, the topology booth was closed, the algebra booth was way out in a field, and … Continue reading →

Posted in Humor, Mathematics | Tagged , , , , , | 23 Comments