Keystones — Cornerstone
Five GCSE retrieval questions · 21 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 83
Answer: 30 + 83 = 113 -
2. Algebra
Expand: 9(x + 3)
Answer: 9x + 27 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 20:16:24
Answer: 5:4:6 -
5. Statistics
Calculate the range of: 62, 27, 41, 35, 63, 27
Answer: 36