Keystones — Cornerstone
Five GCSE retrieval questions · 29 March 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 31 + ? = 107
Answer: 76 -
2. Algebra
For y = x³ + 11, calculate y when x = 4
Answer: y = 75 -
3. Geometry
Opposite = 16cm, adjacent = 18cm. Calculate the angle
Answer: 41.6° -
4. Ratio
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics
Calculate the range of: 23, 79, 65, 62, 50, 96
Answer: 73