Keystones — Lintel
Five GCSE retrieval questions · 23 March 2021 · mathsvault.uk/keystones
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1. Number
Simplify: x5 × x4
Answer: x9 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Opposite = 9cm, adjacent = 12cm. Calculate the angle
Answer: 36.9° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 49, 38, 21, 44, 45, 48, 20
Answer: 37.9