All tiers
Bedrock Cornerstone Lintel Capstone
Lintel · Grades 5–7 Keystones #1 26 November 2025 Skills week 1 of 7
Previous day Today Next day PDF (questions) PDF (answers) Weekly & monthly packs

Keystones — Lintel

Five GCSE retrieval questions · 26 November 2025 · mathsvault.uk/keystones

  1. 1. Number Converting to standard form

    0.0006

    Answer: 6 × 10-4
  2. 2. Algebra Factorising monic quadratics

    Factorise: x² - 12x + 35

    Answer: (x - 5)(x - 7)
  3. 3. Geometry SOHCAHTOA — missing length

    Adjacent = 20cm, angle = 42°. Find opposite

    Answer: 18cm
  4. 4. Ratio Mixed ratio problems

    £288.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £128.00
  5. 5. Statistics Mean

    The mean of 5 numbers is 27. If 4 of them are 32, 23, 33, 50, what is the missing number?

    Answer: -3