# Math Challenge Problems Forum

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

• Replies: 0
• Views: 1,379
Apr 15th 2014, 04:32 PM
1. ### Z=123456789101112131415...

• Replies: 1
• Views: 2,957
Jul 28th 2006, 07:36 AM
2. ### [SOLVED] and now something easy

• Replies: 5
• Views: 1,299
Jul 20th 2006, 08:33 AM
3. ### This time: Father and son

• Replies: 2
• Views: 885
Jul 4th 2006, 12:37 PM
4. ### Negative sum

• Replies: 14
• Views: 1,674
Jul 4th 2006, 04:37 AM
5. ### Number Sequence

• Replies: 0
• Views: 998
Jul 3rd 2006, 07:38 AM
6. ### Number Problem

• Replies: 6
• Views: 1,155
Jun 23rd 2006, 09:47 PM
7. ### A Fun, Yet Tricky Problem

• Replies: 10
• Views: 1,614
Jun 23rd 2006, 09:19 PM
8. ### Math Riddle

• Replies: 3
• Views: 1,600
Jun 23rd 2006, 07:38 PM
9. ### Mother, three daughters and 90 eggs

• Replies: 16
• Views: 2,122
Jun 23rd 2006, 08:32 AM
10. ### Hexagonal-shaped mats puzzle

• Replies: 3
• Views: 1,180
Jun 1st 2006, 11:37 PM
11. ### 101 in Darts

• Replies: 3
• Views: 2,890
May 20th 2006, 01:20 AM
12. ### [SOLVED] pls recomend links for K-2 math games

• Replies: 1
• Views: 1,112
May 16th 2006, 12:01 PM
13. ### how do you do this?

• Replies: 5
• Views: 2,016
May 1st 2006, 04:34 AM
14. ### Add the numbers puzzle!

• Replies: 3
• Views: 1,544
Apr 26th 2006, 09:16 PM
15. ### ( _ / _ _ ) + ( _ / _ _ ) + ( _ / _ _ ) = 1

• Replies: 1
• Views: 877
Apr 12th 2006, 01:58 PM
16. ### Tetris

• Replies: 4
• Views: 1,179
Mar 28th 2006, 12:46 AM

• Replies: 1
• Views: 1,112
Mar 23rd 2006, 12:41 AM
18. ### another puzzle

• Replies: 2
• Views: 976
Mar 7th 2006, 07:33 PM
19. ### Square Root Canal

• Replies: 11
• Views: 1,736
Mar 5th 2006, 05:49 AM
20. ### puzzles plz solve

• Replies: 3
• Views: 1,051
Mar 1st 2006, 07:19 AM
21. ### it is really imp plz solve

• Replies: 7
• Views: 1,188
Feb 28th 2006, 07:51 AM
22. ### Square Roots

• Replies: 5
• Views: 1,378
Feb 28th 2006, 06:35 AM
23. ### Dubious Derivative

• Replies: 9
• Views: 1,227
Feb 15th 2006, 03:32 PM
24. ### Fermat, computers, and a smart boy

• Replies: 10
• Views: 2,734
Feb 2nd 2006, 01:34 PM
25. ### Irrational

• Replies: 17
• Views: 2,886
Jan 30th 2006, 09:16 PM
26. ### A classic riddle

• Replies: 3
• Views: 1,708
Jan 24th 2006, 12:46 PM
27. ### [SOLVED] help

• Replies: 1
• Views: 858
Jan 23rd 2006, 03:51 PM
28. ### Logic Puzzle

• Replies: 5
• Views: 1,336
Jan 22nd 2006, 10:51 AM

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