Keystones — Cornerstone
Five GCSE retrieval questions · 22 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 83 + 81
Answer: 83 + 81 = 164 -
2. Algebra
Solve: x + 3 = 9
Answer: x = 6 -
3. Geometry
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio
Find 48% of 338
Answer: 162.24 -
5. Statistics
Find the range of: 27, 33, 30, 43, 16
Answer: 27