Keystones — Cornerstone
Five GCSE retrieval questions · 25 April 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 10²
Answer: 10² = 100 -
2. Algebra
Factorise: 6x² + 3x
Answer: 3x(2x + 1) -
3. Geometry
Find the area of a right triangle with base 4cm and height 12cm
Answer: 24cm² -
4. Ratio
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics
What is the probability of rolling a 6 on a fair die?
Answer: 1⁄6