Keystones — Cornerstone
Five GCSE retrieval questions · 17 June 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 63 + ? = 101
Answer: 38 -
2. Algebra
Solve: 6x = 72
Answer: x = 12 -
3. Geometry
Opposite = 19cm, adjacent = 11cm. Calculate the angle
Answer: 59.9° -
4. Ratio
Simplify: 15:6:15
Answer: 5:2:5 -
5. Statistics
Find the range of: 21, 13, 43, 42, 42
Answer: 30