Keystones — Cornerstone
Five GCSE retrieval questions · 24 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 86 + 20
Answer: 86 + 20 = 106 -
2. Algebra
Solve: 3x = 39
Answer: x = 13 -
3. Geometry
Opposite = 20cm, adjacent = 12cm. Calculate the angle
Answer: 59° -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2