Page 1 of 28 1234510 ... LastLast

Math Challenge Problems Forum

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

    • Replies: 0
    • Views: 562
    April 15th 2014, 04:32 PM Go to last post
  1.  

    • Replies: 9
    • Views: 11,512
    September 29th 2012, 05:50 PM Go to last post
  1. Smile Trick Questions

    Quick
    6 Pages
    1 2 3 ... 6
    questions, trick
    • Replies: 85
    • Views: 10,890
    November 19th 2006, 04:18 AM Go to last post
    • Replies: 5
    • Views: 10,501
    June 20th 2010, 05:02 AM Go to last post
  2. Problem 50

    CaptainBlack
    2 Pages
    1 2
    problem
    • Replies: 18
    • Views: 10,485
    August 7th 2009, 03:45 PM Go to last post
  3. Question Math Proof: 2=1

    Lammalord
    4 Pages
    1 2 3 ... 4
    • Replies: 56
    • Views: 9,184
    May 21st 2008, 06:46 PM Go to last post
    • Replies: 3
    • Views: 7,300
    November 10th 2007, 10:40 AM Go to last post
  4. MHF Integral Bee!

    NonCommAlg
    7 Pages
    1 2 3 ... 7
    bee, integral, mhf
    • Replies: 103
    • Views: 7,024
    August 24th 2009, 04:28 AM Go to last post
    • Replies: 25
    • Views: 6,511
    September 12th 2007, 08:00 PM Go to last post
  5. Prove some identities!

    Bruno J.
    8 Pages
    1 2 3 ... 8
    identities, prove
    • Replies: 105
    • Views: 6,391
    December 29th 2010, 10:58 PM Go to last post
    • Replies: 38
    • Views: 6,324
    February 1st 2011, 01:59 AM Go to last post
    • Replies: 93
    • Views: 5,795
    February 7th 2011, 03:50 AM Go to last post
    • Replies: 11
    • Views: 5,470
    October 8th 2009, 12:20 AM Go to last post
    • Replies: 15
    • Views: 5,193
    October 12th 2008, 12:51 PM Go to last post
    • Replies: 3
    • Views: 4,670
    August 13th 2005, 02:20 AM Go to last post
    • Replies: 30
    • Views: 4,583
    November 18th 2007, 05:45 PM Go to last post
    • Replies: 3
    • Views: 4,427
    February 15th 2007, 07:06 PM Go to last post
    • Replies: 6
    • Views: 4,025
    January 11th 2009, 10:33 AM Go to last post
    • Replies: 2
    • Views: 3,911
    June 5th 2005, 04:35 PM Go to last post
    • Replies: 5
    • Views: 3,834
    March 18th 2009, 02:38 PM Go to last post
    • Replies: 1
    • Views: 3,598
    October 24th 2009, 05:41 AM Go to last post
    • Replies: 17
    • Views: 3,576
    December 23rd 2006, 08:21 AM Go to last post
    • Replies: 29
    • Views: 3,403
    July 20th 2013, 02:59 PM Go to last post
    • Replies: 3
    • Views: 3,236
    February 10th 2008, 10:37 AM Go to last post
    • Replies: 4
    • Views: 3,203
    April 16th 2008, 08:53 PM Go to last post
    • Replies: 17
    • Views: 3,193
    February 10th 2008, 07:04 PM Go to last post
    • Replies: 7
    • Views: 3,137
    June 17th 2008, 12:46 PM Go to last post
    • Replies: 8
    • Views: 3,038
    January 31st 2009, 01:40 PM Go to last post
    • Replies: 16
    • Views: 2,923
    June 15th 2006, 04:52 AM Go to last post
    • Replies: 3
    • Views: 2,897
    November 11th 2005, 11:57 PM Go to last post
  6. Problem 21

    CaptainBlack
    2 Pages
    1 2
    problem
    • Replies: 17
    • Views: 2,829
    May 10th 2007, 11:03 AM Go to last post

Page 1 of 28 1234510 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.


/mathhelpforum @mathhelpforum