Keystones — Cornerstone
Five GCSE retrieval questions · 16 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 61 + 41
Answer: 61 + 41 = 102 -
2. Algebra
What is the next term? 4, 8, 16, 32, ...
Answer: 64 -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 6:9:6
Answer: 2:3:2 -
5. Statistics
A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 7⁄12