Keystones — Cornerstone
Five GCSE retrieval questions · 16 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 3²
Answer: 9 -
2. Algebra
Simplify: 5x + 2x
Answer: 7x -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 111
Answer: 11.1 -
5. Statistics
Calculate the range of: 37, 23, 64, 60, 42, 27
Answer: 41