Keystones — Cornerstone
Five GCSE retrieval questions · 5 March 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 85 + ? = 111
Answer: 26 -
2. Algebra
Solve: x + 7 = 26
Answer: x = 19 -
3. Geometry
Find the area of a right triangle with base 8cm and height 9cm
Answer: 36cm² -
4. Ratio
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6