Keystones — Lintel
Five GCSE retrieval questions · 1 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 383 + 837
Answer: 383 + 837 = 1220 -
2. Algebra
Solve: 8x = 104
Answer: x = 13 -
3. Geometry
Adjacent = 20cm, hypotenuse = 36cm. Find the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2