Keystones — Cornerstone
Five GCSE retrieval questions · 28 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 39
Answer: 77 + 39 = 116 -
2. Algebra
What is the next term? 7, 21, 63, 189, ...
Answer: 567 -
3. Geometry
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Find the mean of: 8, 5, 17, 7
Answer: 9.25