Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: -3 + 8
Answer: 5 -
2. Algebra
Solve: x + 3 = 22
Answer: x = 19 -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics
Find the mean of: 12, 13, 10, 8
Answer: 10.75