Keystones — Cornerstone
Five GCSE retrieval questions · 24 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 953 + 214
Answer: 953 + 214 = 1167 -
2. Algebra
Expand: 6(3x + 9)
Answer: 18x + 54 -
3. Geometry
Find the perimeter of a right triangle with sides 3cm, 4cm, 5cm
Answer: 12cm -
4. Ratio
Find 67% of 395
Answer: 264.65 -
5. Statistics
Find the range of: 23, 20, 29, 19, 30
Answer: 11