All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #1 12 July 2025
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Cornerstone

Five GCSE retrieval questions · 12 July 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 81 + 66

    Answer: 81 + 66 = 147
  2. 2. Algebra

    Solve: 4x + 4 = 2x + 18

    Answer: x = 7
  3. 3. Geometry

    Opposite = 11cm, adjacent = 15cm. Calculate the angle

    Answer: 36.3°
  4. 4. Ratio

    Simplify: 6:18:6

    Answer: 1:3:1
  5. 5. Statistics

    Find the mean of: 14, 13, 18, 3

    Answer: 12