Keystones — Cornerstone
Five GCSE retrieval questions · 6 November 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 50 + ? = 197
Answer: 147 -
2. Algebra
Simplify: 7x + 4x
Answer: 11x -
3. Geometry
Opposite = 14cm, adjacent = 15cm. Calculate the angle
Answer: 43° -
4. Ratio
Calculate 50% of 151
Answer: 75.5 -
5. Statistics
Find the mean of: 6, 9, 11
Answer: 8.6666666666667