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Questions tagged [math-puzzle]

Questions related to small scale mathematical questions that are often pursued for recreation purposes and require novel (to the participant) and compelling problem solving approaches.

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22 votes
16 answers
3k views

Tricks for computing things in your head

There are quite a lot of tricks/shortcuts enabling doing calculations efficiently in your head. (One of them that came to me today is the "squaring a number ending with a 5" trick I wrote about in ...
mbork's user avatar
  • 1,299
47 votes
24 answers
20k views

How to explain Monty Hall problem when they just don't get it

Talking to some friends, I was asked to explain the answer to the Monty Hall problem (see also here;) .... they were having some trouble because whoever explained it to them didn't do a very good job. ...
Tutor's user avatar
  • 941
11 votes
3 answers
433 views

Playful problems in mathematics

This answer describes an analogy between finite state machines and mazes. This allows for some playful exercises, like Draw a representation of a word accepted by the following automaton... which ...
dtldarek's user avatar
  • 8,957
6 votes
4 answers
557 views

Are puzzles a good way to interest pre-college students?

Nothing more quickly disspitates the myth that most people aren't interested in math than hitting them with a good puzzle and watching the instinctive human urge to solve it get to work. To be fair, ...
Jack M's user avatar
  • 1,357
4 votes
2 answers
197 views

Does solving crosswords help with recall of definitions?

I have an idea to help with self-study and recall of definitions. It is to create a crossword where the clues are the definitions and the words to solve are the concepts being defined. I haven't ...
user avatar
1 vote
0 answers
100 views

What's the age recomendation for my app?

I've developed an android math game called MathLab that has started to gain popularity. It's a simple fill-in-the-grid puzzle with variable cell sizes and locking cells. My daughter's math teacher got ...
Nick's user avatar
  • 111