Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 73 + 69
Answer: 73 + 69 = 142 -
2. Algebra
Find the next term: 23, 31, 39, 47, ...
Answer: 55 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 154
Answer: 38.5 -
5. Statistics
Find the mean of: 3, 10, 12
Answer: 8.3333333333333