Keystones — Cornerstone
Five GCSE retrieval questions · 19 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 69 + 98
Answer: 69 + 98 = 167 -
2. Algebra
Solve: 6x = 48
Answer: x = 8 -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 19, 16, 11, 6, 3
Answer: 11