Keystones — Lintel
Five GCSE retrieval questions · 6 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄6 + 1⁄2 + 1⁄3
Answer: 1⁄1 -
2. Algebra
Solve: 8x = 40
Answer: x = 5 -
3. Geometry
Adjacent = 25cm, hypotenuse = 40cm. Find the angle
Answer: 51.3° -
4. Ratio
Find 35% of 206
Answer: 72.1 -
5. Statistics
A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 2⁄5