Keystones — Cornerstone
Five GCSE retrieval questions · 28 October 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 2⁄6 + 3⁄6
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 2x + 9 = 33
Answer: x = 12 -
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 30 in the ratio 3:2
Answer: 18 and 12 -
5. Statistics Mean
Find the mean of: 4, 8, 8, 7, 7
Answer: 6.8