Keystones — Lintel
Five GCSE retrieval questions · 7 March 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 38 + ? = 148
Answer: 110 -
2. Algebra
Factorise: 3x² + 7x
Answer: x(3x + 7) -
3. Geometry
Opposite = 17cm, adjacent = 14cm. Calculate the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄9