Keystones — Cornerstone
Five GCSE retrieval questions · 15 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 749 + 297
Answer: 749 + 297 = 1046 -
2. Algebra
Solve: x + 11 = 23
Answer: x = 12 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 180
Answer: 45 -
5. Statistics
Find the mean of: 11, 2, 12, 17, 14
Answer: 11.2