Keystones — Cornerstone
Five GCSE retrieval questions · 4 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 42
Answer: 82 + 42 = 124 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 49
Answer: 12.25 -
5. Statistics
Calculate the range of: 57, 32, 54, 68, 37, 45
Answer: 36