Keystones — Cornerstone
Five GCSE retrieval questions · 9 October 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 59 + ? = 178
Answer: 119 -
2. Algebra
Solve: x + 13 = 26
Answer: x = 13 -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 15cm and 11cm
Answer: 82.5cm² -
4. Ratio
Find 58% of 236
Answer: 136.88 -
5. Statistics
Find the mean of: 3, 9, 15, 6
Answer: 8.25