Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 52 + 81
Answer: 52 + 81 = 133 -
2. Algebra
Simplify: 8x + 8x
Answer: 16x -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 93
Answer: 9.3 -
5. Statistics
Find the mean of: 18, 9, 12, 12
Answer: 12.75