Keystones — Cornerstone
Five GCSE retrieval questions · 10 November 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 50 + ? = 124
Answer: 74 -
2. Algebra
Solve: x + 10 = 28
Answer: x = 18 -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics
Find the range of: 19, 42, 47, 30, 46
Answer: 28