All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #1 14 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 · 14 December 2025 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 7⁄8 + 2⁄4

    Answer: 11⁄8
  2. 2. Algebra Two-step equations

    Solve: 8x - 6 = 90

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio Sharing in a ratio

    Divide 80 in the ratio 1:2:1

    Answer: 20, 40 and 20
  5. 5. Statistics Mean

    Calculate the mean of: 45, 36, 11, 15, 43, 31

    Answer: 30.2

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.