Keystones — Cornerstone
Five GCSE retrieval questions · 10 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 80
Answer: 64 + 80 = 144 -
2. Algebra
What is the next term? 2, 8, 32, 128, ...
Answer: 512 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 20:16:20
Answer: 5:4:5 -
5. Statistics
Calculate the mean of: 29, 29, 12, 47, 30, 34, 12, 24
Answer: 27.1