Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 97 + 84
Answer: 97 + 84 = 181 -
2. Algebra
Find the next term: 5, 14, 23, 32, ...
Answer: 41 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 181
Answer: 90.5 -
5. Statistics
Find the mean of: 20, 19, 5, 19, 18
Answer: 16.2