Math Problem Solving Group

Past Proposed Problems

source deadline submitted solutions (*)
- 2003 -
Math Horizons, Vol. 10, No. 2, Nov 2002 February 10, 2003 163, 167
Mathematics Magazine, Vol. 75, No. 4, Oct 2002 March 1, 2003 1655
College Mathematics Journal, Vol. 34, No. 1, Jan 2003 April 15, 2003 744
Mathematics Magazine, Vol. 75, No. 5, Dec 2002 May 1, 2003 1658
Math Horizons, Vol. 10, No. 3, Feb 2003 May 10, 2003 169
College Mathematics Journal, Vol. 34, No. 2, Mar 2003 June 15, 2003 748
Mathematics Magazine, Vol. 76, No. 1, Feb 2003 July 1, 2003 1662, 1666
Mathematics Magazine, Vol. 76, No. 2, Apr 2003 September 1, 2003 1667, 1670
College Mathematics Journal, Vol. 34, No. 3, May 2003 August 15, 2003 751, 755
Math Horizons, Vol. 10, No. 4, Apr 2003 September 10, 2003 171
Mathematics Magazine, Vol. 76, No. 3, Jun 2003 November 1, 2003 1674
Math Horizons, Vol. 11, No. 1, Sep 2003 December 10, 2003 174, 175, S79
College Mathematics Journal, Vol. 34, No. 4, Sep 2003 December 15, 2003 756, 757, 759
- 2004 -
Math Horizons, Vol. 11, No. 2, Nov 2003 February 10, 2004 177, 178, S82, S83
College Mathematics Journal, Vol. 34, No. 5, Nov 2003 February 15, 2004 765
Mathematics Magazine, Vol. 76, No. 4, Oct 2003 March 1, 2004 1666
College Mathematics Journal, Vol. 35, No. 1, Jan 2004 April 15, 2004 766, 768
Mathematics Magazine, Vol. 76, No. 5, Dec 2003 May 1, 2004 1685
Math Horizons, Vol. 11, No. 3, Feb 2004 May 10, 2004 181 (numbered 179 by mistake)
College Mathematics Journal, Vol. 35, No. 2, Mar 2004 June 15, 2004 771, 773, 775
Mathematics Magazine, Vol. 77, No. 1, Feb 2004 July 1, 2004 1686, 1690
Math Horizons, Vol. 11, No. 4, Apr 2004 August 10, 2004 S86, 183, 184
College Mathematics Journal, Vol. 35, No. 3, May 2004 August 15, 2004 776, 777, 779
Mathematics Magazine, Vol. 77, No. 2, Apr 2004 Sep 1, 2004 1695
Mathematics Magazine, Vol. 77, No. 3, Jun 2004 November 1, 2004 1696, 1699
Math Horizons, Vol. 12, No. 1, Sep 2004 November 10, 2004 S88, S89, 186
College Mathematics Journal, Vol. 35, No. 4, Sep 2004 December 15, 2004 773 (corrected version), 782
- 2005 -
Math Horizons, Vol. 12, No. 2, Nov 2004 January 10, 2005 S90, 190 (numbered 200 by mistake)
College Mathematics Journal, Vol. 35, No. 5, Nov 2004 February 15, 2005 789
Mathematics Magazine, Vol. 77, No. 4, Oct 2004 March 1, 2005 1703, 1705
College Mathematics Journal, Vol. 36, No. 1, Jan 2005 April 15, 2005 787 (corrected), 791, 792, 795
Mathematics Magazine, Vol. 77, No. 5, Dec 2004 May 1, 2005 1706
Math Horizons, Vol. 12, No. 3, Feb 2005 June 10, 2005 S92
College Mathematics Journal, Vol. 36, No. 2, Mar 2005 June 15, 2005 796, 797
Mathematics Magazine, Vol. 78, No. 1, Feb 2005 July 1, 2005 1714
Math Horizons, Vol. 12, No. 4, Apr 2005 August 10, 2005 S95, 194
College Mathematics Journal, Vol. 36, No. 3, May 2005 August 15, 2005 804, 805
Mathematics Magazine, Vol. 78, No. 2, Apr 2005 September 1, 2005 1716, 1717, 1719
Mathematics Magazine, Vol. 78, No. 3, Jun 2005 November 1, 2005 1722, 1723
Math Horizons, Vol. 13, No. 1, Sep 2005 November 10, 2005 S98, S100, 195
College Mathematics Journal, Vol. 36, No. 4, Sep 2005 December 15, 2005 796 (corrected), 806, 809, 810
- 2006 -
Math Horizons, Vol. 13, No. 2, Nov 2005 January 10, 2006 S101, S103
College Mathematics Journal, Vol. 36, No. 5, Nov 2005 February 15, 2006 811, 814
Pi Mu Epsilon Journal, Vol. 12, No. 3, Fall 2005 (external link) Feb 28, 2006 1112, 1115
Mathematics Magazine, Vol. 78, No. 4, Oct 2005 March 1, 2006 1726, 1728
College Mathematics Journal, Vol. 37, No. 1, Jan 2006 April 15, 2006 817, 819
Mathematics Magazine, Vol. 78, No. 5, Dec 2005 May 1, 2006 1732
Math Horizons, Vol. 13, No. 3, Feb 2006 June 10, 2006 S104, S105, 199
College Mathematics Journal, Vol. 37, No. 2, Mar 2006 June 15, 2006 821, 823
Mathematics Magazine, Vol. 79, No. 1, Feb 2006 July 1, 2006 1737, 1739
Math Horizons, Vol. 13, No. 4, Apr 2006 August 10, 2006 S109, 201
College Mathematics Journal, Vol. 37, No. 3, May 2006 August 15, 2006 826, 828
Mathematics Magazine, Vol. 79, No. 2, Apr 2006 September 1, 2006 1741, 1743, 1744
Pi Mu Epsilon Journal, Vol. 12, No. 4, Spring 2006 (external link) October 1, 2006 1126, 1128
Mathematics Magazine, Vol. 79, No. 3, Jun 2006 November 1, 2006 1748
Math Horizons, Vol. 14, No. 1, Sep 2006 November 10, 2006 S110, 204
College Mathematics Journal, Vol. 37, No. 4, Sep 2006 December 15, 2006 834, 835
- 2007 -
Math Horizons, Vol. 14, No. 2, Nov 2006 January 10, 2007 206
College Mathematics Journal, Vol. 37, No. 5, Nov 2006 February 15, 2007 836, 838
Pi Mu Epsilon Journal, Vol. 12, No. 5, Fall 2006 (external link) March 1, 2007 1139
Mathematics Magazine, Vol. 79, No. 4, Oct 2006 March 1, 2007 1752, 1753, 1754
College Mathematics Journal, Vol. 38, No. 1, Jan 2007 April 15, 2007 841, 842
Mathematics Magazine, Vol. 79, No. 5, Dec 2006 May 1, 2007 1758
Math Horizons, Vol. 14, No. 3, Feb 2007 June 10, 2007 S117, S118, 207, 208
(wrongly labeled S114,
S115, 205 and 206 resp.)
College Mathematics Journal, Vol. 38, No. 2, Mar 2007 June 15, 2007 847
Mathematics Magazine, Vol. 80, No. 1, Feb 2007 July 1, 2007 1761
Math Horizons, Vol. 14, No. 4, Apr 2007 August 10, 2007 S119, S120
College Mathematics Journal, Vol. 38, No. 3, May 2007 August 15, 2007 851
Mathematics Magazine, Vol. 80, No. 2, Apr 2007 September 1, 2007 1766, 1767
Pi Mu Epsilon Journal, Vol. 12, No. 6, Spring 2007 (external link) October 1, 2007 1147, 1150
Harvard College Mathematics Review, Vol. 1, No. 1, Spring 2007 (external link) November 1, 2007 S07-2
Mathematics Magazine, Vol. 80, No. 3, Jun 2007 November 1, 2007 1773
Math Horizons, Vol. 15, No. 1, Sep 2007 November 10, 2007 210, 212
College Mathematics Journal, Vol. 38, No. 4, Sep 2007 December 15, 2007 856
- 2008 -
Math Horizons, Vol. 15, No. 2, Nov 2007 January 10, 2008 S121
College Mathematics Journal, Vol. 38, No. 5, Nov 2007 February 15, 2008 861, 864
Pi Mu Epsilon Journal, Vol. 12, No. 7, Fall 2007 (external link) March 1, 2008 1159, 1167, 1168
Mathematics Magazine, Vol. 80, No. 4, Oct 2007 March 1, 2008 1780
Harvard College Mathematics Review, Vol. 1, No. 2, Fall 2007 (external link) March 1, 2008 F07-4
College Mathematics Journal, Vol. 39, No. 1, Jan 2008 April 15, 2008 866, 868, 870
Mathematics Magazine, Vol. 80, No. 5, Dec 2007 May 1, 2008 1782, 1783
Math Horizons, Vol. 15, No. 3, Feb 2008 June 10, 2008 214, 216
College Mathematics Journal, Vol. 39, No. 2, Mar 2008 June 15, 2008 871, 872, 874, 875
Mathematics Magazine, Vol. 81, No. 1, Feb 2008 July 1, 2008 1786, 1790
Math Horizons, Vol. 15, No. 4, Apr 2008 August 10, 2008 S126, S127, S128
College Mathematics Journal, Vol. 39, No. 3, May 2008 August 15, 2008 877, 880
Mathematics Magazine, Vol. 81, No. 2, Apr 2008 September 1, 2008 1795
Harvard College Mathematics Review, Vol. 2, No. 1, Spring 2008 (external link) September 15, 2008 S08-3
Pi Mu Epsilon Journal, Vol. 12, No. 8, Spring 2008 (external link) October 1, 2008 1174, 1180
Mathematics Magazine, Vol. 81, No. 3, Jun 2008 November 1, 2008 1797
Math Horizons, Vol. 16, No. 1, Sep 2008 November 10, 2008 220
College Mathematics Journal, Vol. 39, No. 4, Sep 2008 December 15, 2008 883, 885
- 2009 -
Math Horizons, Vol. 16, No. 2, Nov 2008 January 10, 2009 223
College Mathematics Journal, Vol. 39, No. 5, Nov 2008 February 15, 2009 887, 890
Mathematics Magazine, Vol. 81, No. 4, Oct 2008 March 1, 2009 2002
Pi Mu Epsilon Journal, Fall 2008 (external link) March 1, 2009 1186, 1189
College Mathematics Journal, Vol. 40, No. 1, Jan 2009 April 15, 2009 892
Mathematics Magazine, Vol. 81, No. 5, Dec 2008 May 1, 2009 1810
Math Horizons, Vol. 16, No. 3, Feb 2009 - () () - () June 1, 2009 226
College Mathematics Journal, Vol. 40, No. 2, Mar 2009 June 15, 2009 900
Mathematics Magazine, Vol. 82, No. 1, Feb 2009 July 1, 2009 1815
Math Horizons, Vol. 16, No. 4, Apr 2009 August 10, 2009 231
College Mathematics Journal, Vol. 40, No. 3, May 2009 August 15, 2009 903
Mathematics Magazine, Vol. 82, No. 2, Apr 2009 September 1, 2009 1816, 1818
Pi Mu Epsilon Journal, Spring 2009 (external link) October 1, 2009 1196, 1202
Mathematics Magazine, Vol. 82, No. 3, June 2009 November 1, 2009 1822, 1825
Math Horizons, Vol. 17, No. 1, Sep 2009 November 10, 2009 232
College Mathematics Journal, Vol. 40, No. 4, Sep 2009 December 15, 2009 906
- 2010 -
Math Horizons, Vol. 17, No. 2, Nov 2009 January 10, 2009 236
College Mathematics Journal, Vol. 40, No. 5, Nov 2009 February 15, 2010 912, 914
Mathematics Magazine, Vol. 82, No. 4, Oct 2009 March 1, 2010 1827, 1830
Pi Mu Epsilon Journal, Fall 2009 (external link) March 1, 2010 1204, 1213
College Mathematics Journal, Vol. 41, No. 1, Jan 2010 April 15, 2010 920
Mathematics Magazine, Vol. 82, No. 5, Dec 2009 May 1, 2010 1832
Math Horizons, Vol. 17, No. 3, Feb 2010 June 1, 2010 243
College Mathematics Journal, Vol. 41, No. 2, Mar 2010 June 15, 2010 923, 925
Mathematics Magazine, Vol. 83, No. 1, Feb 2010 July 1, 2010 1837
Math Horizons, Vol. 17, No. 4, Apr 2010 August 10, 2010 245
Mathematics Magazine, Vol. 83, No. 2, Apr 2010 September 1, 2010 1841
College Mathematics Journal, Vol. 41, No. 3, May 2010 September 15, 2010 927, 930
Pi Mu Epsilon Journal, Spring 2010 (external link) October 1, 2010 1218
Mathematics Magazine, Vol. 83, No. 3, Jun 2010 November 1, 2010 1850
Math Horizons, Vol. 18, No. 1, Sep 2010 November 10, 2010 248
College Mathematics Journal, Vol. 41, No. 4, Sep 2010 December 15, 2010 931
- 2011 -
Math Horizons, Vol. 18, No. 2, Nov 2010 January 10, 2010 252, 254
College Mathematics Journal, Vol. 41, No. 5, Nov 2010 February 15, 2011 938
Mathematics Magazine, Vol. 83, No. 4, Oct 2010 March 1, 2011 1853, 1854
Pi Mu Epsilon Journal, Fall 2010 (external link) March 1, 2011 1231, 1232
College Mathematics Journal, Vol. 42, No. 1, Jan 2011 April 15, 2011 944
Mathematics Magazine, Vol. 83, No. 5, Dec 2010 May 1, 2011 1856, 1860
Math Horizons, Vol. 18, No. 3, Feb 2011 June 1, 2011 255
College Mathematics Journal, Vol. 42, No. 2, Mar 2011 June 15, 2011 946
Mathematics Magazine, Vol. 84, No. 1, Feb 2011 July 1, 2011 1861
Math Horizons, Vol. 18, No. 4, Apr 2011 August 10, 2011 258
College Mathematics Journal, Vol. 42, No. 3, May 2011 August 15, 2011 953
Mathematics Magazine, Vol. 84, No. 2, Apr 2011 September 1, 2011 1867
Pi Mu Epsilon Journal, Spring 2011 (external link) October 1, 2011 1237
Mathematics Magazine, Vol. 84, No. 3, Jun 2011 November 1, 2011 1874
Math Horizons, Vol. 19, No. 1, Sep 2011 November 10, 2011 263
College Mathematics Journal, Vol. 42, No. 4, Sep 2011 December 15, 2011 960
- 2012 -
Math Horizons, Vol. 19, No. 2, Nov 2011 January 10, 2012 266, 269
College Mathematics Journal, Vol. 42, No. 5, Nov 2011 February 15, 2012 961
Mathematics Magazine, Vol. 84, No. 4, Oct 2011 March 1, 2012 1876
Pi Mu Epsilon Journal, Fall 2011 (external link) March 1, 2012 1252
College Mathematics Journal, Vol. 43, No. 1, Jan 2012 April 15, 2012 968
Mathematics Magazine, Vol. 84, No. 5, Dec 2011 May 1, 2012 1882, 1885
Math Horizons, Vol. 19, No. 3, Feb 2012 June 1, 2012 273
College Mathematics Journal, Vol. 43, No. 2, Mar 2012 June 15, 2012 974
Mathematics Magazine, Vol. 85, No. 1, Feb 2012 July 1, 2012 1889
Math Horizons, Vol. 19, No. 4, Apr 2012 August 10, 2012 274
College Mathematics Journal, Vol. 43, No. 3, May 2012 August 15, 2012 977, 979
Mathematics Magazine, Vol. 85, No. 2, Apr 2012 September 1, 2012 1892
Pi Mu Epsilon Journal, Spring 2012 (external link) October 1, 2012 1257
Mathematics Magazine, Vol. 85, No. 3, Jun 2012 November 1, 2012 1896
Math Horizons, Vol. 20, No. 1, Sep 2012 November 10, 2012 280
College Mathematics Journal, Vol. 43, No. 4, Sep 2012 December 15, 2012 981
- 2013 -
Math Horizons, Vol. 20, No. 2, Nov 2012 January 11, 2013 283
College Mathematics Journal, Vol. 43, No. 5, Nov 2012 February 15, 2013 990
Mathematics Magazine, Vol. 85, No. 4, Oct 2012 March 1, 2013 1901
Pi Mu Epsilon Journal, Fall 2012 (external link) March 1, 2013 1266, 1267
College Mathematics Journal, Vol. 44, No. 1, Jan 2013 April 15, 2013 993, 995
Mathematics Magazine, Vol. 85, No. 5, Dec 2012 May 1, 2013 1909
Math Horizons, Vol. 20, No. 3, Feb 2013 May 31, 2013 286, 289
College Mathematics Journal, Vol. 44, No. 2, Mar 2013 June 15, 2013 1000
Mathematics Magazine, Vol. 86, No. 1, Feb 2013 July 1, 2013 1912
Math Horizons, Vol. 20, No. 4, Apr 2013 August 10th, 2013 293
College Mathematics Journal, Vol. 44, No. 3, May 2013 Aug 15th, 2013 1004
Mathematics Magazine, Vol. 86, No. 2, Apr 2013 September 1, 2013 1919
Pi Mu Epsilon Journal, Spring 2013 (external link) October 1, 2013 1282
Mathematics Magazine, Vol. 86, No. 3, Jun 2013 November 1, 2013 1921
Math Horizons, Vol. 21, No. 1, Sep 2013 November 9th, 2013 295
College Mathematics Journal, Vol. 44, No. 4, Sep 2013 Dec 15th, 2013 1009
- 2014 -
Math Horizons, Vol. 21, No. 2, Nov 2013 January 11th, 2014 299
College Mathematics Journal, Vol. 44, No. 5, Nov 2013 Feb 15th, 2014 1011
Mathematics Magazine, Vol. 86, No. 4, Oct 2013 March 1, 2013 1926, 1927
College Mathematics Journal, Vol. 45, No. 1, Jan 2014 April 15th, 2014 1016, 1017
Mathematics Magazine, Vol. 86, No. 5, Dec 2013 May 1, 2014 1933
Math Horizons, Vol. 21, No. 3, Feb 2014 May 31st, 2014 305
College Mathematics Journal, Vol. 45, No. 2, Mar 2014 June 15th, 2014 1025
Mathematics Magazine, Vol. 87, No. 1, Feb 2014 July 1, 2014 1936
Math Horizons, Vol. 21, No. 4, Apr 2014 August 10th, 2014 309
College Mathematics Journal, Vol. 45, No. 3, May 2014 August 15th, 2014 1030
Mathematics Magazine, Vol. 87, No. 2, Apr 2014 September 1, 2014 1942
Mathematics Magazine, Vol. 87, No. 3, Jun 2014 November 1, 2014 1947
Math Horizons, Vol. 22, No. 1, Sep 2014 November 9th, 2014 312
College Mathematics Journal, Vol. 45, No. 4, Sep 2014 December 15th, 2014 1032
- 2015 -
Math Horizons, Vol. 22, No. 2, Nov 2014 January 11th, 2015 315
Mathematics Magazine, Vol. 87, No. 4, Oct 2014 March 1, 2015 1951, 1952, 1954
College Mathematics Journal, Vol. 45, No. 5, Nov 2014 April 15th, 2015 1039
Mathematics Magazine, Vol. 87, No. 5, Dec 2014 May 1, 2015 1956, 1957, 1958
Math Horizons, Vol. 22, No. 3, Feb 2015 May 31st, 2015 318, 321
Mathematics Magazine, Vol. 88, No. 1, Feb 2015 July 1, 2015 1964
College Mathematics Journal, Vol. 46, No. 1, Jan 2015 July 15th, 2015 1042
Math Horizons, Vol. 22, No. 4, Apr 2015 August 10th, 2015 322, 325
College Mathematics Journal, Vol. 46, No. 2, Mar 2015 August 15th, 2015 1049
Mathematics Magazine, Vol. 88, No. 2, Apr 2015 September 1, 2015 1969
Mathematics Magazine, Vol. 88, No. 3, Jun 2015 November 1, 2015 1974
Math Horizons, Vol. 23, No. 1, Sep 2015 November 9, 2015 326, 328, 329
- 2016 -
Math Horizons, Vol. 23, No. 2, Nov 2015 January 11, 2016 330, 332
College Mathematics Journal, Vol. 46, No. 3, May 2015 January 15, 2016 1051, 1053, 1054
College Mathematics Journal, Vol. 46, No. 4, Sep 2015 February 15, 2016 1057
Mathematics Magazine, Vol. 88, No. 4, Oct 2015 March 1, 2016 1976
Mathematics Magazine, Vol. 88, No. 5, Dec 2015 May 1, 2016 1983, 1984, 1985
College Mathematics Journal, Vol. 46, No. 5, Nov 2015 May 15, 2016 1061
Math Horizons, Vol. 23, No. 3, Feb 2016 May 31st, 2016 334, 337
Mathematics Magazine, Vol. 89, No. 1, Feb 2016 July 1, 2016 1986, 1987
Math Horizons, Vol. 23, No. 4, Apr 2016 August 10, 2016 338, 339
College Mathematics Journal, Vol. 47, No. 2, Mar 2016 August 15, 2016 1071
Mathematics Magazine, Vol. 89, No. 2, Apr 2016 September 1, 2016 1992
College Mathematics Journal, Vol. 47, No. 3, May 2016 October 15, 2016 1078, 1079
Mathematics Magazine, Vol. 89, No. 3, Jun 2016 November 1, 2016 1996, 1998, 1999
Math Horizons, Vol. 24, No. 1, Sep 2016 November 9, 2016 345
- 2017 -
Math Horizons, Vol. 24, No. 2, Nov 2016 January 11, 2017 346, 349
College Mathematics Journal, Vol. 47, No. 4, Sep 2016 February 15, 2017 1081, 1083
College Mathematics Journal, Vol. 47, No. 5, Nov 2016 February 15, 2017 1090
Mathematics Magazine, Vol. 89, No. 4, Oct 2016 March 1, 2017 2001, 2002, 2003, 2004, 2005
Mathematics Magazine, Vol. 89, No. 5, Dec 2016 May 1, 2017 2007, 2008, 2009, 2010
Math Horizons, Vol. 24, No. 3, Feb 2017 May 31, 2017 350
College Mathematics Journal, Vol. 48, No. 1, Jan 2017 June 15, 2017 1091, 1093, 1094, 1095
College Mathematics Journal, Vol. 48, No. 2, Mar 2017 June 15, 2017 1097, 1099
Mathematics Magazine, Vol. 90, No. 1, Feb 2017 July 1, 2017 2011, 2012, 2013
Math Horizons, Vol. 24, No. 4, Apr 2017 August 10, 2017 354,355
Mathematics Magazine, Vol. 90, No. 2, Apr 2017 September 1, 2017 2017, 2018, 2019
College Mathematics Journal, Vol. 48, No. 3, May 2017 October 15, 2017 1102
Mathematics Magazine, Vol. 90, No. 3, Jun 2017 November 1, 2017 2022, 2025
Math Horizons, Vol. 25, No. 1, Sep 2017 November 9, 2017 359
- 2018 -
Math Horizons, Vol. 25, No. 2, Nov 2017 January 11, 2018 362, 365
College Mathematics Journal, Vol. 48, No. 4, Sep 2017 February 15, 2018 1110
College Mathematics Journal, Vol. 48, No. 5, Nov 2017 1111, 1114
Mathematics Magazine, Vol. 90, No. 4, Oct 2017 March 1, 2018 2028
Mathematics Magazine, Vol. 90, No. 5, Dec 2017 May 1, 2018 2032
Math Horizons, Vol. 25, No. 3, Feb 2018 May 15, 2018 367, 369
College Mathematics Journal, Vol. 49, No. 1, Jan 2018 May 31, 2018 1118
Mathematics Magazine, Vol. 91, No. 1, Feb 2018 July 1, 2018 2038
Math Horizons, Vol. 25, No. 4, Apr 2018 July 10, 2018 372, 373
Mathematics Magazine, Vol. 91, No. 2, Apr 2018 September 1, 2018 2042, 2044
College Mathematics Journal, Vol. 49, No. 2, Mar 2018 October 15, 2018 1121, 1123
Mathematics Magazine, Vol. 91, No. 3, Jun 2018 November 1, 2018 2047, 2049
College Mathematics Journal, Vol. 49, No. 3, May 2018 December 15, 2018 1126, 1129
- 2019 -
Mathematics Magazine, Vol. 91, No. 4, Oct 2018 March 1, 2019 2051
College Mathematics Journal, Vol. 49, No. 4, Sep 2018 March 15, 2019 1131, 1132, 1134
Mathematics Magazine, Vol. 91, No. 5, Nov 2018 May 1, 2019 2056, 2060
College Mathematics Journal, Vol. 49, No. 5, Nov 2018 May 15, 2019 1140
College Mathematics Journal, Vol. 50, No. 1, Jan 2019 May 15, 2019 1142
Mathematics Magazine, Vol. 92, No. 1, Feb 2019 July 1, 2019 2062, 2063
Mathematics Magazine, Vol. 92, No. 2, Apr 2019 September 1, 2019 2068
College Mathematics Journal, Vol. 50, No. 2, Mar 2019 September 15, 2019 1150
Mathematics Magazine, Vol. 92, No. 3, Jun 2019 November 1, 2019 2072
College Mathematics Journal, Vol. 50, No. 3, May 2019 November 15, 2019 1151, 1554

(*) Color red means that the solution submitted by us was selected for publication.


Past problems from the American Mathematical Monthly

source deadline submitted solutions
- 2003 -
American Mathematical Monthly, Vol. 110, No. 7, Aug-Sep 2003 December 31, 2003 11030
- 2004 -
American Mathematical Monthly, Vol. 110, No. 8, Oct 2003 February 29, 2004
American Mathematical Monthly, Vol. 110, No. 9, Nov 2003 March 31, 2004
American Mathematical Monthly, Vol. 110, No. 10, Dec 2003 April 30, 2004
American Mathematical Monthly, Vol. 111, No. 1, Jan 2004 May 31, 2004
American Mathematical Monthly, Vol. 111, No. 2, Feb 2004 June 30, 2004
American Mathematical Monthly, Vol. 111, No. 3, Mar 2004 June 30, 2004
American Mathematical Monthly, Vol. 111, No. 4, Apr 2004 July 31, 2004 11075
American Mathematical Monthly, Vol. 111, No. 5, May 2004 August 31, 2004
American Mathematical Monthly, Vol. 111, No. 6, Jun-Jul 2004 September 30, 2004
American Mathematical Monthly, Vol. 111, No. 7, Aug-Sep 2004 December 31, 2004
- 2005 -
American Mathematical Monthly, Vol. 111, No. 8, Oct 2004 February 28, 2005 11085, 11103
American Mathematical Monthly, Vol. 111, No. 9, Nov 2004 March 31, 2005
American Mathematical Monthly, Vol. 111, No. 10, Dec 2004 April 30, 2005 11119
American Mathematical Monthly, Vol. 112, No. 1, Jan 2005 May 31, 2005 11125
American Mathematical Monthly, Vol. 112, No. 2, Feb 2005 June 30, 2005
American Mathematical Monthly, Vol. 112, No. 3, Mar 2005 July 31, 2005 11138
American Mathematical Monthly, Vol. 112, No. 4, Apr 2005 August 31, 2005
American Mathematical Monthly, Vol. 112, No. 5, May 2005 September 30, 2005 11157, 11158
American Mathematical Monthly, Vol. 112, No. 6, Jun-Jul 2005 October 31, 2005
American Mathematical Monthly, Vol. 112, No. 7, Aug-Sep 2005 December 31, 2005 11170
- 2006 -
American Mathematical Monthly, Vol. 112, No. 8, Oct 2005 February 28, 2006 11176
American Mathematical Monthly, Vol. 112, No. 9, Nov 2005 February 28, 2006 11182
American Mathematical Monthly, Vol. 112, No. 10, Dec 2005 March 31, 2006 11187
American Mathematical Monthly, Vol. 113, No. 1, Jan 2006 April 30, 2006
American Mathematical Monthly, Vol. 113, No. 2, Feb 2006 May 31, 2006 11207
American Mathematical Monthly, Vol. 113, No. 3, Mar 2006 June 30, 2006 11214
American Mathematical Monthly, Vol. 113, No. 4, Apr 2006 July 31, 2006 11218
American Mathematical Monthly, Vol. 113, No. 5, May 2006 September 31, 2006 11225
American Mathematical Monthly, Vol. 113, No. 6, Jun-Jul 2006 October 31, 2006 11232
American Mathematical Monthly, Vol. 113, No. 7, Aug-Sep 2006 December 31, 2006
- 2007 -
American Mathematical Monthly, Vol. 113, No. 8, Oct 2006 February 28, 2007 11244, 11245
American Mathematical Monthly, Vol. 113, No. 9, Nov 2006 March 31, 2007 11251
American Mathematical Monthly, Vol. 113, No. 10, Dec 2006 April 30, 2007 11262, 11263
American Mathematical Monthly, Vol. 114, No. 1, Jan 2007 May 31, 2007
American Mathematical Monthly, Vol. 114, No. 2, Feb 2007 May 31, 2007
American Mathematical Monthly, Vol. 114, No. 3, Mar 2007 June 30, 2007 11278
American Mathematical Monthly, Vol. 114, No. 4, Apr 2007 July 31, 2007 11289
American Mathematical Monthly, Vol. 114, No. 5, May 2007 August 31, 2007
American Mathematical Monthly, Vol. 114, No. 6, Jun-Jul 2007 September 30, 2007 11301
American Mathematical Monthly, Vol. 114, No. 7, Aug-Sep 2007 November 30, 2007 11306
- 2008 -
American Mathematical Monthly, Vol. 114, No. 8, Oct 2007 February 28th, 2008
American Mathematical Monthly, Vol. 114, No. 9, Nov 2007 March 31st, 2008
American Mathematical Monthly, Vol. 114, No. 10, Dec 2007 April 30th, 2008
American Mathematical Monthly, Vol. 115, No. 1, Jan 2008 May 31st, 2008
American Mathematical Monthly, Vol. 115, No. 2, Feb 2008 June 30th, 2008
American Mathematical Monthly, Vol. 115, No. 3, Mar 2008 July 31st, 2008
American Mathematical Monthly, Vol. 115, No. 4, Apr 2008 August 31st, 2008 11355
American Mathematical Monthly, Vol. 115, No. 5, May 2008 September 30th, 2008
American Mathematical Monthly, Vol. 115, No. 6, Jun-Jul 2008 October 31st, 2008
American Mathematical Monthly, Vol. 115, No. 7, Aug-Sep 2008 December 31st, 2008 11376
- 2009 -
American Mathematical Monthly, Vol. 115, No. 8, Oct 2008 February 28th, 2009 11383
American Mathematical Monthly, Vol. 115, No. 9, Nov 2008 March 31st, 2009 11395
American Mathematical Monthly, Vol. 115, No. 10, Dec 2008 April 30th, 2009 11397, 11402
American Mathematical Monthly, Vol. 116, No. 1, Jan 2009 May 31st, 2009
American Mathematical Monthly, Vol. 116, No. 2, Feb 2009 June 30th, 2009
American Mathematical Monthly, Vol. 116, No. 3, Mar 2009 July 31st, 2009
American Mathematical Monthly, Vol. 116, No. 4, Apr 2009 August 31st, 2009
American Mathematical Monthly, Vol. 116, No. 5, May 2009 September 30th, 2009
American Mathematical Monthly, Vol. 116, No. 6, Jun-Jul 2009 October 31st, 2009
American Mathematical Monthly, Vol. 116, No. 7, Aug-Sep 2009 December 31st, 2009
- 2010 -
American Mathematical Monthly, Vol. 116, No. 8, Oct 2009 February 28th, 2010
American Mathematical Monthly, Vol. 116, No. 9, Nov 2009 March 31st, 2010
American Mathematical Monthly, Vol. 116, No. 10, Dec 2009 April 30th, 2010
American Mathematical Monthly, Vol. 117, No. 1, Jan 2010 May 31st, 2010
American Mathematical Monthly, Vol. 117, No. 2, Feb 2010 June 30th, 2010 11481
American Mathematical Monthly, Vol. 117, No. 3, Mar 2010 July 31st, 2010 11492
American Mathematical Monthly, Vol. 117, No. 4, Apr 2010 August 31st, 2010
American Mathematical Monthly, Vol. 117, No. 5, May 2010 September 30th, 2010 11508
American Mathematical Monthly, Vol. 117, No. 6, Jun-Jul 2010 October 31st, 2010
American Mathematical Monthly, Vol. 117, No. 7, Aug-Sep 2010 December 31st, 2010
- 2011 -
American Mathematical Monthly, Vol. 117, No. 8, Oct 2010 February 28th, 2011
American Mathematical Monthly, Vol. 117, No. 9, Nov 2010 March 31st, 2011 11536
American Mathematical Monthly, Vol. 117, No. 10, Dec 2010 April 30th, 2011
American Mathematical Monthly, Vol. 118, No. 1, Jan 2011 May 31st, 2011
American Mathematical Monthly, Vol. 118, No. 2, Feb 2011 June 30th, 2011
American Mathematical Monthly, Vol. 118, No. 3, Mar 2011 July 31st, 2011
American Mathematical Monthly, Vol. 118, No. 4, Apr 2011 August 31st, 2011
American Mathematical Monthly, Vol. 118, No. 5, May 2011 September 30th, 2011
American Mathematical Monthly, Vol. 118, No. 6, Jun 2011 October 31st, 2011
American Mathematical Monthly, Vol. 118, No. 7, Aug-Sep 2011 December 31st, 2011
- 2012 -
American Mathematical Monthly, Vol. 118, No. 8, Oct 2011 February 29, 2012 11596
American Mathematical Monthly, Vol. 118, No. 9, Nov 2011 March 31, 2012
American Mathematical Monthly, Vol. 118, No. 10, Dec 2011 April 30, 2012
American Mathematical Monthly, Vol. 119, No. 1, Jan 2012 May 31, 2012
American Mathematical Monthly, Vol. 119, No. 2, Feb 2012 June 30, 2012
American Mathematical Monthly, Vol. 119, No. 3, Mar 2012 July 31, 2012
American Mathematical Monthly, Vol. 119, No. 4, Apr 2012 August 31, 2012
American Mathematical Monthly, Vol. 119, No. 5, May 2012 September 30, 2012
American Mathematical Monthly, Vol. 119, No. 6, Jun-Jul 2012 October 31, 2012
American Mathematical Monthly, Vol. 119, No. 7, Aug-Sep 2012 December 31, 2012
- 2013 -
American Mathematical Monthly, Vol. 119, No. 8, Oct 2012 February 28, 2013
American Mathematical Monthly, Vol. 119, No. 9, Nov 2012 March 31, 2013 11670
American Mathematical Monthly, Vol. 119, No. 10, Dec 2012 April 30, 2013
American Mathematical Monthly, Vol. 120, No. 1, Jan 2013 May 31, 2013
American Mathematical Monthly, Vol. 120, No. 2, Feb 2013 Jun 30, 2013
American Mathematical Monthly, Vol. 120, No. 4, Apr 2013 Aug 31, 2013
American Mathematical Monthly, Vol. 120, No. 5, May 2013 Sep 30, 2013
American Mathematical Monthly, Vol. 120, No. 6, Jun 2013 Sep 30, 2013
American Mathematical Monthly, Vol. 120, No. 7, Aug 2013 Nov 30, 2013
- 2014 -
American Mathematical Monthly, Vol. 120, No. 8, Sep 2013 Feb 28, 2014
American Mathematical Monthly, Vol. 120, No. 9, Nov 2013 Mar 31, 2014 11739
American Mathematical Monthly, Vol. 120, No. 10, Dec 2013 Apr 30, 2014
American Mathematical Monthly, Vol. 121, No. 1, Jan 2014 May 31, 2014
American Mathematical Monthly, Vol. 121, No. 2, Feb 2014 June 30, 2014
American Mathematical Monthly, Vol. 121, No. 3, Mar 2014 July 31, 2014
American Mathematical Monthly, Vol. 121, No. 4, Apr 2014 August 31, 2014
American Mathematical Monthly, Vol. 121, No. 5, May 2014 September 30, 2014
American Mathematical Monthly, Vol. 121, No. 6, Jun-Jul 2014 October 31, 2014
American Mathematical Monthly, Vol. 121, No. 7, Aug-Sep 2014 December 31, 2014
- 2015 -
American Mathematical Monthly, Vol. 121, No. 8, Oct 2014 February 28, 2015 11800
American Mathematical Monthly, Vol. 121, No. 10, Dec 2014 April 30, 2015
American Mathematical Monthly, Vol. 122, No. 1, Jan 2015 May 31, 2015
American Mathematical Monthly, Vol. 122, No. 2, Feb 2015 July 31, 2015
American Mathematical Monthly, Vol. 122, No. 3, Mar 2015 July 31, 2015
American Mathematical Monthly, Vol. 122, No. 4, Apr 2015 August 31, 2015
American Mathematical Monthly, Vol. 122, No. 5, May 2015 September 30, 2015
American Mathematical Monthly, Vol. 122, No. 6, Jun-Jul 2015 October 30, 2015
American Mathematical Monthly, Vol. 122, No. 7, Aug-Sep 2015 December 31, 2015 11853
- 2016 -
American Mathematical Monthly, Vol. 122, No. 8, Oct 2015 February 29, 2016
American Mathematical Monthly, Vol. 122, No. 9, Nov 2015 March 31, 2016 11865
American Mathematical Monthly, Vol. 122, No. 10, Dec 2015 April 30, 2016 11876
American Mathematical Monthly, Vol. 123, No. 1, Jan 2016 May 31, 2016
American Mathematical Monthly, Vol. 123, No. 2, Feb 2016 June 30, 2016 11892
American Mathematical Monthly, Vol. 123, No. 3, Mar 2016 July 31, 2016
American Mathematical Monthly, Vol. 123, No. 4, Apr 2016 August 31, 2016
American Mathematical Monthly, Vol. 123, No. 5, May 2016 September 30, 2016
American Mathematical Monthly, Vol. 123, No. 6, Jun-Jul 2016 November 30, 2016
- 2017 -
American Mathematical Monthly, Vol. 123, No. 7, Aug-Sep 2016 January 31, 2017
American Mathematical Monthly, Vol. 123, No. 8, Oct 2016 February 28, 2017
American Mathematical Monthly, Vol. 123, No. 9, Nov 2016 March 31, 2017
American Mathematical Monthly, Vol. 123, No. 10, Dec 2016 April 30, 2017
American Mathematical Monthly, Vol. 124, No. 1, Jan 2017 May 31, 2017
American Mathematical Monthly, Vol. 124, No. 2, Feb 2017 June 30, 2017
American Mathematical Monthly, Vol. 124, No. 3, Mar 2017 July 31, 2017
American Mathematical Monthly, Vol. 124, No. 4, Apr 2017 August 31, 2017
American Mathematical Monthly, Vol. 124, No. 5, May 2017 September 30, 2017
American Mathematical Monthly, Vol. 124, No. 6, Jun 2017 October 31, 2017
American Mathematical Monthly, Vol. 124, No. 7, Aug 2017 December 1, 2017 11992
- 2018 -
American Mathematical Monthly, Vol. 124, No. 8, Oct 2017 February 28, 2018
American Mathematical Monthly, Vol. 124, No. 10, Dec 2017 April 30, 2018
American Mathematical Monthly, Vol. 125, No. 1, Jan 2018 May 31, 2018
American Mathematical Monthly, Vol. 125, No. 2, Feb 2018 June 30, 2018 12025
American Mathematical Monthly, Vol. 125, No. 3, Mar 2018 July 31, 2018
American Mathematical Monthly, Vol. 125, No. 4, Apr 2018 August 31, 2018
American Mathematical Monthly, Vol. 125, No. 5, May 2018 September 30, 2018
American Mathematical Monthly, Vol. 125, No. 6, Jun-Jul 2018 October 31, 2018
American Mathematical Monthly, Vol. 125, No. 7, Aug-Sep 2018 December 31, 2018
- 2019 -
American Mathematical Monthly, Vol. 125, No. 8, Oct 2018 February 28, 2019
American Mathematical Monthly, Vol. 125, No. 9, Nov 2018 March 31, 2019
American Mathematical Monthly, Vol. 125, No. 10, Dec 2018 April 30, 2019 12077
American Mathematical Monthly, Vol. 126, No. 01, Jan 2019 May 31, 2019
American Mathematical Monthly, Vol. 126, No. 02, Feb 2019 June 30, 2019
American Mathematical Monthly, Vol. 126, No. 03, Mar 2019 July 31, 2019 12101
American Mathematical Monthly, Vol. 126, No. 04, Apr 2019 August 31, 2019
American Mathematical Monthly, Vol. 126, No. 05, May 2019 September 30, 2019
American Mathematical Monthly, Vol. 126, No. 06, Jun-Jul 2019 October 31, 2019
American Mathematical Monthly, Vol. 126, No. 07, Aug-Sep 2019 November 30, 2019 12129
- 2020 -
American Mathematical Monthly, Vol. 126, No. 08, Oct 2019 February 29, 2020
American Mathematical Monthly, Vol. 126, No. 09, Nov 2019 March 31, 2020
American Mathematical Monthly, Vol. 126, No. 10, Dec 2019 April 30, 2020
American Mathematical Monthly, Vol. 127, No. 1, Jan 2020 May 31, 2020
American Mathematical Monthly, Vol. 127, No. 2, Feb 2020 June 30, 2020
American Mathematical Monthly, Vol. 127, No. 3, Mar 2020 July 31, 2020
American Mathematical Monthly, Vol. 127, No. 4, Apr 2020 August 31, 2020 12178
American Mathematical Monthly, Vol. 127, No. 5, May 2020 September 30, 2020
American Mathematical Monthly, Vol. 127, No. 6, Jun-Jul 2020 October 31, 2020
American Mathematical Monthly, Vol. 127, No. 7, Aug-Sep 2020 December 31, 2020
- 2021 -
American Mathematical Monthly, Vol. 127, No. 8, Oct 2020 February 28, 2021
American Mathematical Monthly, Vol. 127, No. 9, Nov 2020 March 31, 2021
American Mathematical Monthly, Vol. 127, No. 10, Dec 2020 April 30, 2021
American Mathematical Monthly, Vol. 128, No. 1, Jan 2021 May 31, 2021
American Mathematical Monthly, Vol. 128, No. 2, Feb 2021 June 30, 2021
American Mathematical Monthly, Vol. 128, No. 3, Mar 2021 July 31, 2021
American Mathematical Monthly, Vol. 128, No. 4, Apr 2021 August 31, 2021
American Mathematical Monthly, Vol. 128, No. 5, May 2021 September 30, 2021
American Mathematical Monthly, Vol. 128, No. 6, Jun-Jul 2021 October 31, 2021
American Mathematical Monthly, Vol. 128, No. 7, Aug-Sep 2021 December 31, 2021



Comments, suggestions...? email Miguel A. Lerma at: mlerma at math dot northwestern dot edu