Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: -1 + 1
Answer: 0 -
2. Algebra
Solve: x + 14 = 31
Answer: x = 17 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics
Find the median of: 17, 18, 15, 19, 18
Answer: 18