Keystones — Lintel
Five GCSE retrieval questions · 24 September 2023 · mathsvault.uk/keystones
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1. Number
Add: 15.05 + 38.83
Answer: 15.05 + 38.83 = 53.88 -
2. Algebra
Factorise fully: 6x² + 8x
Answer: 2x(3x + 4) -
3. Geometry
Opposite = 11cm, adjacent = 10cm. Calculate the angle
Answer: 47.7° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
Find the range of: 49, 29, -24, -18, 0
Answer: 73