Keystones — Cornerstone
Five GCSE retrieval questions · 10 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 605 + 282
Answer: 605 + 282 = 887 -
2. Algebra
What is the next term? 4, 12, 36, 108, ...
Answer: 324 -
3. Geometry
Find the perimeter of a right triangle with sides 6cm, 8cm, 10cm
Answer: 24cm -
4. Ratio
Find 17% of 424
Answer: 72.08 -
5. Statistics
Find the mean of: 16, 5, 13
Answer: 11.333333333333