Keystones — Cornerstone
Five GCSE retrieval questions · 21 November 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 94 + ? = 162
Answer: 68 -
2. Algebra
Factorise: 48x + 30
Answer: 6(8x + 5) -
3. Geometry
Opposite = 10cm, adjacent = 12cm. Calculate the angle
Answer: 39.8° -
4. Ratio
Simplify: 9:6:6
Answer: 3:2:2 -
5. Statistics
Find the mean of: 7, 6, 8, 3, 14
Answer: 7.6