Keystones — Lintel
Five GCSE retrieval questions · 24 September 2021 · mathsvault.uk/keystones
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1. Number
Add: 3⁄8 + 1⁄6
Answer: 13⁄24 -
2. Algebra
Solve: x⁄3 = 5
Answer: x = 15 -
3. Geometry
Adjacent = 27cm, hypotenuse = 33cm. Find the angle
Answer: 35.1° -
4. Ratio
Simplify: 8:12:6
Answer: 4:6:3 -
5. Statistics
A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 8⁄13