Keystones — Cornerstone
Five GCSE retrieval questions · 27 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 66 + 20
Answer: 66 + 20 = 86 -
2. Algebra
Solve: 5x - 7 = 3x + 1
Answer: x = 4 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 89
Answer: 8.9 -
5. Statistics
Find the range of: 16, 24, 46, 32, 33
Answer: 30