Keystones — Cornerstone
Five GCSE retrieval questions · 24 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄12 + 1⁄12
Answer: 5⁄12 -
2. Algebra
Find the next term: 6, 12, 18, 24, ...
Answer: 30 -
3. Geometry
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio
Calculate 10% of 40
Answer: 4 -
5. Statistics
Calculate the mean of: 32, 23, 26, 9, 39, 16, 35, 13
Answer: 24.1