All tiers
Bedrock Cornerstone Lintel Capstone
Cornerstone · Grades 3–5 Keystones #1 15 December 2020 Skills week 1 of 7
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Cornerstone

Five GCSE retrieval questions · 15 December 2020 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄7 + 1⁄7

    Answer: 2⁄7
  2. 2. Algebra Two-step equations

    Solve: 5x - 18 = 42

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

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio Sharing in a ratio

    Share 45 in the ratio 3:2

    Answer: 27 and 18
  5. 5. Statistics Mean

    Calculate the mean of: 24, 12, 35, 30, 37, 31

    Answer: 28.2

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.