Keystones — Cornerstone
Five GCSE retrieval questions · 10 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 34
Answer: 51 + 34 = 85 -
2. Algebra
For y = x³ + 8, calculate y when x = 2
Answer: y = 16 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Find 75% of 101
Answer: 75.75 -
5. Statistics
Find the mean of: 10, 10, 5, 4, 4
Answer: 6.6