All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #1 6 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 · 6 December 2025 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 15 + 15

    Answer: 25
  2. 2. Algebra Two-step equations

    Solve: 2x - 16 = 6

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

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

    Answer: 5cm
  4. 4. Ratio Sharing in a ratio

    Share 42 in the ratio 4:3

    Answer: 24 and 18
  5. 5. Statistics Mean

    Find the mean of: 14, 5, 20, 4, 10

    Answer: 10.6