Keystones — Lintel
Five GCSE retrieval questions · 16 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 652
Answer: 1650 -
2. Algebra
Factorise fully: 10x² + 8x
Answer: 2x(5x + 4) -
3. Geometry
Opposite = 20cm, adjacent = 17cm. Calculate the angle
Answer: 49.6° -
4. Ratio
Simplify: 12:16:12
Answer: 3:4:3 -
5. Statistics
Find the range of: 48, -3, 7, -2, -11
Answer: 59