Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 22 + 90
Answer: 22 + 90 = 112 -
2. Algebra
Solve: x + 2 = 9
Answer: x = 7 -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics
Find the mean of: 15, 12, 10
Answer: 12.333333333333