Keystones — Cornerstone
Five GCSE retrieval questions · 2 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 98 + 22
Answer: 98 + 22 = 120 -
2. Algebra
Expand: 7(x + 5)
Answer: 7x + 35 -
3. Geometry
Opposite = 11cm, adjacent = 16cm. Calculate the angle
Answer: 34.5° -
4. Ratio
Calculate 50% of 52
Answer: 26 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2