Keystones — Cornerstone
Five GCSE retrieval questions · 16 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄7 + 2⁄7
Answer: 6⁄7 -
2. Algebra
Solve: x + 11 = 22
Answer: x = 11 -
3. Geometry
Opposite = 16cm, adjacent = 10cm. Calculate the angle
Answer: 58° -
4. Ratio
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics
What is the probability of rolling a 1 on a fair die?
Answer: 1⁄6