Keystones — Cornerstone
Five GCSE retrieval questions · 26 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 977 + 337
Answer: 977 + 337 = 1314 -
2. Algebra
Expand: 2(x + 6)
Answer: 2x + 12 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 83
Answer: 20.75 -
5. Statistics
Find the mean of: 7, 14, 19, 10
Answer: 12.5