Keystones — Cornerstone
Five GCSE retrieval questions · 19 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 97 + 97
Answer: 97 + 97 = 194 -
2. Algebra
What is the next term? 4, 12, 36, 108, ...
Answer: 324 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify: 9:18:15
Answer: 3:6:5 -
5. Statistics
Find the mean of: 15, 18, 5
Answer: 12.666666666667