# Math Challenge Problems Forum

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

1. ### Read this first!

• Replies: 0
• Views: 2,349
Apr 15th 2014, 05:32 PM
1. ### Square Roots

• Replies: 5
• Views: 1,455
Feb 28th 2006, 07:35 AM
2. ### Dubious Derivative

• Replies: 9
• Views: 1,282
Feb 15th 2006, 04:32 PM
3. ### Fermat, computers, and a smart boy

• Replies: 10
• Views: 2,825
Feb 2nd 2006, 02:34 PM
4. ### Irrational

• Replies: 17
• Views: 3,110
Jan 30th 2006, 10:16 PM
5. ### A classic riddle

• Replies: 3
• Views: 1,810
Jan 24th 2006, 01:46 PM
6. ### [SOLVED] help

• Replies: 1
• Views: 883
Jan 23rd 2006, 04:51 PM
7. ### Logic Puzzle

• Replies: 5
• Views: 1,380
Jan 22nd 2006, 11:51 AM
8. ### induction by absurd

• Replies: 1
• Views: 1,365
Jan 19th 2006, 10:48 AM
9. ### find the distance

• Replies: 9
• Views: 1,593
Jan 16th 2006, 12:35 PM
10. ### Reader Vs. Writer

• Replies: 0
• Views: 1,205
Jan 13th 2006, 09:29 PM
11. ### Solve THIS!

• Replies: 8
• Views: 1,433
Jan 10th 2006, 04:14 PM
12. ### Where's the Extra Dollar

• Replies: 7
• Views: 3,131
Dec 21st 2005, 09:45 AM
13. ### puzzler

• Replies: 1
• Views: 1,482
Dec 8th 2005, 10:08 AM
14. ### math game

• Replies: 3
• Views: 1,166
Nov 16th 2005, 01:46 PM
15. ### How many rectangles in a 10 x 10 checkerboard?

• Replies: 3
• Views: 4,368
Nov 12th 2005, 12:57 AM
16. ### Disprove proof of 2=1

• Replies: 2
• Views: 2,740
Nov 4th 2005, 03:09 PM
17. ### problem puzzler

• Replies: 8
• Views: 1,292
Oct 31st 2005, 12:25 PM
18. ### Coin descrimination

• Replies: 1
• Views: 1,163
Oct 9th 2005, 07:06 PM
19. ### X's and O's puzzler

• Replies: 7
• Views: 1,897
Sep 22nd 2005, 01:41 AM
20. ### 4 4's Puzzler

• Replies: 2
• Views: 2,498
Sep 8th 2005, 01:21 PM
21. ### Mr. X

• Replies: 4
• Views: 2,108
Aug 16th 2005, 09:18 PM
22. ### multiplication puzzle

• Replies: 1
• Views: 1,547
Jul 23rd 2005, 09:01 PM
23. ### Einstein's riddle

• Replies: 4
• Views: 2,468
Jun 27th 2005, 01:17 PM
24. ### how many quadrangles?

• Replies: 1
• Views: 1,943
Jun 24th 2005, 12:29 PM
25. ### Help... math teaser

• Replies: 2
• Views: 1,788
Jun 8th 2005, 03:22 AM
26. ### Need help on POW 12: The Big Knight Switch

• Replies: 2
• Views: 4,757
Jun 5th 2005, 05:35 PM
27. ### Sudoku

• Replies: 2
• Views: 1,576
Jun 3rd 2005, 12:08 PM

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