Keystones — Cornerstone
Five GCSE retrieval questions · 3 February 2022 · mathsvault.uk/keystones
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1. Number
Add: 2⁄4 + 1⁄7
Answer: 9⁄14 -
2. Algebra
What is the next term? 7, 14, 28, 56, ...
Answer: 112 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 10cm
Answer: 12.81cm -
4. Ratio
Calculate 50% of 46
Answer: 23 -
5. Statistics
Find the range of: 33, 17, 10, 9, 33
Answer: 24