Keystones — Lintel
Five GCSE retrieval questions · 27 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 117 + 928
Answer: 117 + 928 = 1045 -
2. Algebra
Solve: 8x = 64
Answer: x = 8 -
3. Geometry
Adjacent = 27cm, hypotenuse = 39cm. Find the angle
Answer: 46.2° -
4. Ratio
Simplify: 12:16:8
Answer: 3:4:2 -
5. Statistics
A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2