Keystones — Bedrock
Five GCSE retrieval questions · 20 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 9 × 10
Answer: 9 × 10 = 90 -
2. Algebra
Solve: x + 11 = 21
Answer: x = 10 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics
Find the median of: 8, 8, 13, 5, 15
Answer: 8