Keystones — Cornerstone
Five GCSE retrieval questions · 14 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 872 + 681
Answer: 872 + 681 = 1553 -
2. Algebra
Expand: 5(6x + 2)
Answer: 30x + 10 -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 6:6:12
Answer: 1:1:2 -
5. Statistics
Find the range of: 19, 12, 15, 10, 29
Answer: 19