Keystones — Cornerstone
Five GCSE retrieval questions · 19 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 96
Answer: 59 + 96 = 155 -
2. Algebra
Solve: x + 5 = 23
Answer: x = 18 -
3. Geometry
Calculate the hypotenuse when a = 3cm and b = 6cm
Answer: 6.71cm -
4. Ratio
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics
Find the mean of: 13, 3, 11, 20
Answer: 11.75