Keystones — Cornerstone
Five GCSE retrieval questions · 9 February 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 46 + ? = 145
Answer: 99 -
2. Algebra
Simplify: 4x + 2x
Answer: 6x -
3. Geometry
Opposite = 17cm, adjacent = 11cm. Calculate the angle
Answer: 57.1° -
4. Ratio
Simplify: 16:24:16
Answer: 2:3:2 -
5. Statistics
Find the mean of: 5, 7, 9, 13
Answer: 8.5