With up to 28% of questions around the Number topics in the exam, a good mastery of the more challenging topics is vital if students are going to achieve grades 4 or 5. This webinar will focus on how to recognise and approach the exam questions around factors, primes and multiples, standard form and indices, fractions and approximations and accuracy.


  • Give students confidence and simple starting points when facing 3-4 mark questions in the GCSE exam
  • Techniques and methods with proven success at GCSE
  • Linking multiple topics together with several simple techniques and ideas
  • Includes coverage of units, fractions, ratios, percentages and rates of change
  • Getting the most of a calculator
COURSE DATE Online | Thursday 19 November 2020
  • Heads of Mathematics
  • KS3 maths teachers
  • LA and Academy chain advisers
IN-SCHOOL You can also book this as an In-School Course
  • A specially prepared folder of detailed notes, practical advice and guidance
  • Notes prepared by the educational experts leading the course
  • Expert produced PowerPoint presentations
  • CPD Certificate of attendance


4.00 – 4.05  pm Welcome and Introduction

4.05 – 4.25 pm: Integer work

  • Methods for finding prime factors, use this to HCF and LCM (including calculator short cuts)
  • Recognising and decoding worded questions involving HCF and LCM methods
  • Links to fraction work

4.25 -4.40 pm: Fractions, decimals and percentages

  • Visual aids
  • Quick links between F,D and P
  • Simplifying fractions and basic operations (a quick reminder)

4.40 – 5pm: Standard form, approximations and estimates                                                                           

  • Place value and Decimal place vs significant figures
  • Rounding and questions involving accuracy.
  • Standard index form, what, when and how (including use of calc)
  • Estimating and how to use it to check other types of questions


Alex Jacques-Williams

Alex has recently left teaching after over 20 years in the classroom, he has been an advisor for MEI, a Maths Hub lead and member of various maths panels. His most recent role was Head of Mathematics, and he was also a Maths SLE. He coordinates a network for A level Statistics teachers and has led CPD sessions in problem solving, multiplicative reasoning and curriculum design as well as coaching other Heads of Maths and teachers.