Keystones — Cornerstone
Five GCSE retrieval questions · 13 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 58 + 36
Answer: 58 + 36 = 94 -
2. Algebra
What is the next term? 4, 16, 64, 256, ...
Answer: 1024 -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics
Find the range of: 30, 17, 25, 23, 27
Answer: 13