Keystones — Lintel
Five GCSE retrieval questions · 1 July 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 74 + ? = 189
Answer: 115 -
2. Algebra
Factorise fully: 8x² + 6x
Answer: 2x(4x + 3) -
3. Geometry
Adjacent = 26cm, hypotenuse = 38cm. Find the angle
Answer: 46.8° -
4. Ratio
Find 50% of 251
Answer: 125.5 -
5. Statistics
A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 4⁄15