Keystones — Cornerstone
Five GCSE retrieval questions · 17 April 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 73 + ? = 142
Answer: 69 -
2. Algebra
Solve: 7x = 70
Answer: x = 10 -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 12:15:6
Answer: 4:5:2 -
5. Statistics
Find the range of: 16, 15, 25, 30, 18
Answer: 15