Keystones — Cornerstone
Five GCSE retrieval questions · 20 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 70
Answer: 25 + 70 = 95 -
2. Algebra
Collect like terms: 7x + 4y + 7x + 8y
Answer: 14x + 12y -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 20:12:12
Answer: 5:3:3 -
5. Statistics
Find the mean of: 2, 16, 15, 15
Answer: 12