You can find D1 Edexcel IAL (WDM11/WDM01) and A-level (6689) past papers (QP), answer booklets (AB) and mark schemes (MS) below. There are also model answers (MA) provided by Arsey from The Student Room.
IAL
QP
AB
MS
Papers from 2008 and before include questions on flows and simplex algorithm, which is not in the current syllabus.
A-level (6689)
QP
- Combined QP (Reduced)
- Combined QP
- January 2001 QP
- January 2002 QP
- January 2003 QP
- January 2004 QP
- January 2005 QP
- January 2006 QP
- January 2007 QP
- January 2008 QP
- January 2009 QP
- January 2010 QP
- January 2011 QP
- January 2012 QP
- January 2013 QP
- June 2001 QP
- June 2002 QP
- June 2003 QP
- June 2004 QP
- June 2005 QP
- June 2006 QP
- June 2007 QP
- June 2008 QP
- June 2009 QP
- June 2010 QP
- June 2011 QP
- June 2012 QP
- June 2013 (R) QP
- June 2013 QP
- June 2014 (R) QP
- June 2014 QP
- June 2015 QP
- June 2016 QP
- June 2017 QP
- Mock QP
- November 2002 QP
- November 2003 QP
- November 2004 QP
- Specimen QP
AB
- January 2001 AB
- January 2002 AB
- January 2003 AB
- January 2004 AB
- January 2005 AB
- January 2006 AB
- January 2007 AB
- January 2008 AB
- January 2009 AB
- January 2010 AB
- January 2011 AB
- January 2012 AB
- January 2013 AB
- June 2001 AB
- June 2002 AB
- June 2003 AB
- June 2004 AB
- June 2005 AB
- June 2006 AB
- June 2007 AB
- June 2008 AB
- June 2009 AB
- June 2010 AB
- June 2011 AB
- June 2012 AB
- June 2013 (R) AB
- June 2013 AB
- June 2014 (R) AB
- June 2014 AB
- June 2015 AB
- Mock AB
- November 2002 AB
- November 2003 AB
- November 2004 AB
- Specimen AB
MS
- - Numerical Answers
- Combined MS
- January 2001 MS
- January 2002 MS
- January 2003 MS
- January 2004 MS
- January 2005 MS
- January 2006 MS
- January 2007 MS
- January 2008 MS
- January 2009 MS
- January 2010 MS
- January 2011 MS
- January 2012 MS
- January 2013 MS
- June 2001 MS
- June 2002 MS
- June 2003 MS
- June 2004 MS
- June 2005 MS
- June 2006 MS
- June 2007 MS
- June 2008 MS
- June 2009 MS
- June 2010 MS
- June 2011 MS
- June 2012 MS
- June 2013 (R) MS
- June 2013 MS
- June 2014 (R) MS
- June 2014 MS
- June 2015 MS
- June 2016 MS
- June 2017 MS
- Mock MS
- November 2002 MS
- November 2003 MS
- November 2004 MS
- Specimen MS