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Cambridge (CIE) IGCSE International MathsPaper 5: Investigation (Set B)Core

Thursday 9 October 2025

Afternoon (Time: 1 hour 15 minutes)

Total marks

/ 40

Instructions

  • Try to complete this mock exam paper in one sitting, under exam conditions. Use all the time available and check your answers to each question at the end before submitting.

  • Remember this is PRACTICE. Mistakes are fine and will help you improve in time for the real exam - just do your best.

  • Answer all questions.

  • You should use a graphic display calculator where appropriate.

  • You may use tracing paper.

  • You must show all necessary working clearly, including sketches, to gain full marks for correct methods.

  • In this paper you will be awarded marks for providing full reasons, examples and steps in your working to communicate your mathematics clearly and precisely.

DON'T FORGET! Submit your paper at the end to receive marks and review your answers - using AI, mark schemes or solutions. If you submit the paper without completing it in full, you will get 0 marks for the questions you did not answer.

NOTE: You might want to use some scrap paper to plan your answers to longer questions, so get that prepared now.