Keystones — Cornerstone
Five GCSE retrieval questions · 24 December 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 3⁄6 + 1⁄3
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 8x - 20 = 92
Answer: x = 14 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio Sharing in a ratio
Share 48 in the ratio 1:2
Answer: 16 and 32 -
5. Statistics Mean
Find the mean of: 18, 14, 4
Answer: 12