All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #1 25 December 2025 Skills week 1 of 7
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Cornerstone

Five GCSE retrieval questions · 25 December 2025 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄12 + 3⁄12

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 5x - 6 = 64

    Answer: x = 14
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 10cm and b = 5cm

    Answer: 11.18cm
  4. 4. Ratio Sharing in a ratio

    Share 27 in the ratio 1:2

    Answer: 9 and 18
  5. 5. Statistics Mean

    Calculate the mean of: 34, 6, 38, 22, 44, 19, 32, 14

    Answer: 26.1

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.