Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 4.3 + 8.5
Answer: 4.3 + 8.5 = 12.8 -
2. Algebra
Solve: x + 2 = 10
Answer: x = 8 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 76
Answer: 38 -
5. Statistics
Find the mean of: 15, 9, 3, 11
Answer: 9.5