Keystones — Lintel
Five GCSE retrieval questions · 21 September 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 46 + ? = 116
Answer: 70 -
2. Algebra
Solve: 6x = 18
Answer: x = 3 -
3. Geometry
Opposite = 16cm, adjacent = 12cm. Calculate the angle
Answer: 53.1° -
4. Ratio
Simplify: 9:12:18
Answer: 3:4:6 -
5. Statistics
Find the range of: 42, -27, -4, 33, -24
Answer: 69