Keystones — Cornerstone
Five GCSE retrieval questions · 1 July 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 2⁄6 + 1⁄6
Answer: 1⁄2 -
2. Algebra Two-step equations
Solve: 3x + 14 = 32
Answer: x = 6 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio Sharing in a ratio
Divide 120 in the ratio 1:3:1
Answer: 24, 72 and 24 -
5. Statistics Mean
Find the mean of: 16, 9, 19, 19, 4
Answer: 13.4