Keystones — Cornerstone
Five GCSE retrieval questions · 11 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 93
Answer: 51 + 93 = 144 -
2. Algebra
Factorise: 14x + 6
Answer: 2(7x + 3) -
3. Geometry
Opposite = 16cm, adjacent = 13cm. Calculate the angle
Answer: 50.9° -
4. Ratio
Find 24% of 335
Answer: 80.4 -
5. Statistics
Find the range of: 22, 15, 10, 24, 17
Answer: 14