Keystones — Cornerstone
Five GCSE retrieval questions · 16 November 2024 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 4⁄6 + 1⁄6
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 7x + 5 = 68
Answer: x = 9 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 3cm and b = 12cm
Answer: 12.37cm -
4. Ratio Sharing in a ratio
Share 64 in the ratio 1:3
Answer: 16 and 48 -
5. Statistics Mean
Find the mean of: 6, 9, 4, 15, 14
Answer: 9.6