# Math Challenge Problems Forum

Math Challenge Problem Forum: For challenging math problems (that you can solve yourself)

• Replies: 0
• Views: 882
Apr 15th 2014, 05:32 PM
1. ### Problems solving puzzle!

• Replies: 6
• Views: 906
May 10th 2008, 03:02 PM
2. ### good math books

• Replies: 1
• Views: 965
May 10th 2008, 12:17 AM
3. ### Sticks!

• Replies: 2
• Views: 1,394
May 3rd 2008, 10:24 AM
4. ### Angle from 3d Vectors

• Replies: 1
• Views: 931
May 1st 2008, 07:49 AM
5. ### simple problem??

• Replies: 3
• Views: 883
Apr 28th 2008, 09:46 AM
6. ### A puzzle, for me anyway

• Replies: 0
• Views: 883
Apr 25th 2008, 12:02 AM
7. ### Prime Magic Square

• Replies: 2
• Views: 1,136
Apr 24th 2008, 07:28 AM
8. ### Card Trick!

• Replies: 2
• Views: 1,182
Apr 19th 2008, 08:27 PM
9. ### Solution behind a card trick?

• Replies: 4
• Views: 3,450
Apr 16th 2008, 09:53 PM
10. ### Practical math problem...sort of a puzzle

• Replies: 0
• Views: 982
Apr 15th 2008, 04:27 PM
11. ### Does this problem have a solution?

• Replies: 0
• Views: 884
Apr 12th 2008, 05:22 PM
12. ### Nim Variation

• Replies: 2
• Views: 1,029
Apr 9th 2008, 09:22 AM
13. ### Beauty Contest Puzzle

• Replies: 0
• Views: 1,019
Apr 2nd 2008, 11:39 AM
14. ### Game Theory - Heuristic for single-player puzzle

• Replies: 0
• Views: 1,027
Mar 16th 2008, 02:25 PM
15. ### e times pi...hmmm

• Replies: 3
• Views: 949
Mar 3rd 2008, 06:23 AM
16. ### Matrix Puzzle

• Replies: 3
• Views: 2,061
Mar 2nd 2008, 07:47 AM
17. ### Rule for multiplying by 17

• Replies: 6
• Views: 633
Feb 29th 2008, 11:59 AM
18. ### find the missing number

• Replies: 1
• Views: 1,548
Feb 27th 2008, 09:43 PM
19. ### Problem 45

• Replies: 3
• Views: 2,058
Feb 24th 2008, 01:51 PM
20. ### Problem 44

• Replies: 17
• Views: 3,354
Feb 10th 2008, 08:04 PM
21. ### eyes

• Replies: 13
• Views: 1,148
Feb 7th 2008, 11:44 PM
22. ### [SOLVED] Help with this puzzle

• Replies: 8
• Views: 1,218
Jan 28th 2008, 09:53 AM
23. ### (r - 2)^2 + (r - 4)^2 = r^2?

• Replies: 11
• Views: 1,272
Jan 22nd 2008, 11:11 PM
24. ### Interesting equality

• Replies: 13
• Views: 1,656
Jan 4th 2008, 06:57 AM
25. ### Problem 29

• Replies: 8
• Views: 1,860
Dec 29th 2007, 05:06 AM
26. ### The Monty Hall Paradox

• Replies: 3
• Views: 1,187
Dec 27th 2007, 06:26 PM
27. ### "The world's slowest runner"

• Replies: 10
• Views: 2,279
Dec 27th 2007, 01:26 AM
28. ### Find the speed...

• Replies: 4
• Views: 793
Dec 19th 2007, 06:37 AM

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