You can find Newer Edexcel IAL Further Pure 3 (FP3) (WFP03), IAL Spec F3 (WFP03), and A-level Spec FP3 (6669), past papers, mark schemes and model answers below:
Old Spec (6669)
These papers are still great for practice. The model answers are provided by krpime2 from The Student Room.
Question Papers
Mark Schemes
Model Answers
Grade Boundries
January 2001 − June 2014