All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #78 19 March 2026 Skills week 5 of 7
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Cornerstone

Five GCSE retrieval questions · 19 March 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 62 × 62

    Answer: 64
  2. 2. Algebra Unknowns on both sides

    Solve: 8x - 9 = 4x + 19

    Answer: x = 7
  3. 3. Geometry Converting mixed metric units

    Convert 2120ml to litres

    Answer: 2.12 litres
  4. 4. Ratio Mixed ratio problems

    Simplify the ratio 15:40

    Answer: 3:8
  5. 5. Statistics Expected frequency

    A fair coin is flipped 128 times. How many heads would you expect?

    Answer: 64

Same five questions for everyone on Cornerstone on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.