Keystones — Lintel
Five GCSE retrieval questions · 31 July 2024 · mathsvault.uk/keystones
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1. Number
Simplify: 6√2 - 5√2
Answer: 1√2 -
2. Algebra
Factorise fully: 8x² + 20x
Answer: 4x(2x + 5) -
3. Geometry
Opposite = 16cm, adjacent = 13cm. Calculate the angle
Answer: 50.9° -
4. Ratio
Find 81% of 103
Answer: 83.43 -
5. Statistics
Find the range of: -15, -9, 42, -5, -5
Answer: 57