Keystones — Lintel
Five GCSE retrieval questions · 6 July 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 54 + ? = 172
Answer: 118 -
2. Algebra
Factorise: 3x² + 4x
Answer: x(3x + 4) -
3. Geometry
Calculate the area of a circle with diameter 16cm
Answer: 201.06cm² -
4. Ratio
Find 76% of 191
Answer: 145.16 -
5. Statistics
A spinner has 6 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄8