Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -10 + 2
Answer: -8 -
2. Algebra
Find the next term: 11, 15, 19, 23, ...
Answer: 27 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 166
Answer: 16.6 -
5. Statistics
Find the mean of: 9, 3, 9
Answer: 7