Keystones — Cornerstone
Five GCSE retrieval questions · 7 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 623 + 353
Answer: 623 + 353 = 976 -
2. Algebra
What is the next term? 4, 8, 16, 32, ...
Answer: 64 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 49
Answer: 4.9 -
5. Statistics
A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 8⁄15