Keystones — Cornerstone
Five GCSE retrieval questions · 26 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 67
Answer: 87 + 67 = 154 -
2. Algebra
Solve: x + 8 = 28
Answer: x = 20 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 8cm
Answer: 11.31cm -
4. Ratio
Find 72% of 299
Answer: 215.28 -
5. Statistics
Calculate the mean of: 49, 30, 43, 48, 30, 26
Answer: 37.7