Keystones — Cornerstone
Five GCSE retrieval questions · 3 December 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 53 + ? = 133
Answer: 80 -
2. Algebra
Solve: x + 6 = 12
Answer: x = 6 -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics
Find the mean of: 3, 17, 17, 6
Answer: 10.75