Keystones — Cornerstone
Five GCSE retrieval questions · 25 November 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 52 + ? = 157
Answer: 105 -
2. Algebra
Collect like terms: 6x + 7y + 4x + 4y
Answer: 10x + 11y -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 137
Answer: 68.5 -
5. Statistics
Calculate the mean of: 39, 36, 7, 33, 28, 5, 14
Answer: 23.1