Keystones — Lintel
Five GCSE retrieval questions · 5 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 568
Answer: 1561 -
2. Algebra
Factorise fully: 28x² + 16x
Answer: 4x(7x + 4) -
3. Geometry
Opposite = 12cm, adjacent = 12cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: 31, -10, 31, 5, 43
Answer: 53