Keystones — Lintel

Five GCSE retrieval questions · 10 March 2026 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 102. What are the numbers?

Answer: 33, 34, and 35
2. Algebra

Solve: ^x⁄₂ = 9

Answer: x = 18
3. Geometry

Adjacent = 14cm, hypotenuse = 22cm. Find the angle

Answer: 50.5°
4. Ratio

Simplify: 6:8:6

Answer: 3:4:3
5. Statistics

Find the range of: -17, -4, -7, 0, 33

Answer: 50

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