Keystones — Cornerstone
Five GCSE retrieval questions · 5 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 529 + 327
Answer: 529 + 327 = 856 -
2. Algebra
Simplify: 2x + 2x
Answer: 4x -
3. Geometry
Find the perimeter of a right triangle with sides 6cm and 8cm
Answer: 24cm -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
Find the mean of: 8, 4, 9, 2
Answer: 5.75