Keystones — Lintel
Five GCSE retrieval questions · 30 March 2021 · mathsvault.uk/keystones
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1. Number
Simplify: x4 × x3
Answer: x7 -
2. Algebra
Solve: 4x = 60
Answer: x = 15 -
3. Geometry
Adjacent = 27cm, hypotenuse = 32cm. Find the angle
Answer: 32.5° -
4. Ratio
Simplify: 6:12:10
Answer: 3:6:5 -
5. Statistics
A bag has 8 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7