Keystones — Lintel
Five GCSE retrieval questions · 5 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 758
Answer: 1750 -
2. Algebra
Factorise fully: 28x² + 16x
Answer: 4x(7x + 4) -
3. Geometry
Opposite = 17cm, adjacent = 19cm. Calculate the angle
Answer: 41.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 48, 12, 35, 25, 34, 22
Answer: 29.3