All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #72 13 March 2026
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Cornerstone

Five GCSE retrieval questions · 13 March 2026 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 93 + ? = 125

    Answer: 32
  2. 2. Algebra

    Simplify: 5x + 5x

    Answer: 10x
  3. 3. Geometry

    Find the perimeter of a right triangle with sides 3cm and 4cm

    Answer: 12cm
  4. 4. Ratio

    Simplify: 12:8:8

    Answer: 3:2:2
  5. 5. Statistics

    A bag has 6 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 1⁄2

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.