Keystones — Lintel
Five GCSE retrieval questions · 9 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 550 + 981
Answer: 550 + 981 = 1531 -
2. Algebra
Collect like terms: 7x + 4y + 3x + 5y
Answer: 10x + 9y -
3. Geometry
Adjacent = 26cm, hypotenuse = 34cm. Find the angle
Answer: 40.1° -
4. Ratio
Simplify: 16:20:20
Answer: 4:5:5 -
5. Statistics
A bag has 4 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄3