Keystones — Cornerstone
Five GCSE retrieval questions · 3 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 38 + 35
Answer: 38 + 35 = 73 -
2. Algebra
Collect like terms: 5x + 2y + 3x + 8y
Answer: 8x + 10y -
3. Geometry
Opposite = 20cm, adjacent = 10cm. Calculate the angle
Answer: 63.4° -
4. Ratio
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2