# Math Challenge Problems Forum

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

1. ### Read this first!

• Replies: 0
• Views: 1,114
Apr 15th 2014, 04:32 PM
1. ### Calculus I: (multi) infinite sums

• Replies: 11
• Views: 1,001
Apr 1st 2009, 08:48 PM
2. ### Integral limit

• Replies: 2
• Views: 1,163
Apr 1st 2009, 11:03 AM
3. ### Pre-algebra: inequality

• Replies: 3
• Views: 869
Mar 31st 2009, 09:38 PM
4. ### Calculus I: derivative

• Replies: 2
• Views: 650
Mar 30th 2009, 02:39 AM
5. ### An inequality

• Replies: 4
• Views: 620
Mar 29th 2009, 01:14 PM
6. ### Calculus I: integral

• Replies: 2
• Views: 681
Mar 29th 2009, 01:05 PM
7. ### The Missing Intercept

• Replies: 3
• Views: 610
Mar 29th 2009, 11:19 AM
8. ### 2 questions 6 digit number and neighbour squares

• Replies: 3
• Views: 773
Mar 28th 2009, 03:16 PM
9. ### Sequences and primes

• Replies: 1
• Views: 645
Mar 28th 2009, 02:13 PM
10. ### Calculus II: double integral

• Replies: 2
• Views: 623
Mar 28th 2009, 12:45 PM
11. ### Calculus I: infinite series

• Replies: 5
• Views: 702
Mar 28th 2009, 12:29 PM
12. ### A few cool ones here

• Replies: 2
• Views: 1,019
Mar 26th 2009, 05:00 PM
13. ### lcm and sum

• Replies: 1
• Views: 667
Mar 24th 2009, 08:31 AM
14. ### Fractions Games that you know of?

• Replies: 1
• Views: 789
Mar 21st 2009, 02:38 AM
15. ### Islander problem

• Replies: 7
• Views: 711
Mar 17th 2009, 01:35 AM
16. ### A Question - Concentration Required

• Replies: 6
• Views: 1,122
Mar 16th 2009, 10:34 AM
17. ### a dice game

• Replies: 0
• Views: 732
Mar 16th 2009, 06:14 AM
18. ### 12 bastions on a wall of a fortress

• Replies: 1
• Views: 987
Mar 12th 2009, 07:47 AM
19. ### The old "Four numbers equal 24" problem

• Replies: 2
• Views: 1,928
Feb 16th 2009, 05:44 AM
20. ### Find the missing number

• Replies: 0
• Views: 1,341
Feb 16th 2009, 05:33 AM
21. ### Problem 46

• Replies: 8
• Views: 2,307
Feb 9th 2009, 07:02 PM
22. ### Algebra problem

• Replies: 7
• Views: 959
Feb 7th 2009, 01:11 AM
23. ### Math puzzle

• Replies: 5
• Views: 1,084
Feb 3rd 2009, 06:37 AM
24. ### what is the next number?

• Replies: 1
• Views: 747
Feb 1st 2009, 06:14 AM
25. ### Problem 47

• Replies: 8
• Views: 3,203
Jan 31st 2009, 01:40 PM
26. ### What road to take? Knights and Knaves puzzle.

• Replies: 1
• Views: 999
Jan 30th 2009, 11:26 AM

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