Keystones — Lintel
Five GCSE retrieval questions · 12 July 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 73 + ? = 108
Answer: 35 -
2. Algebra
Factorise: 4x² + 3x
Answer: x(4x + 3) -
3. Geometry
Opposite = 13cm, adjacent = 9cm. Calculate the angle
Answer: 55.3° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: -6, -13, 34, 50, 16
Answer: 63