Keystones — Cornerstone
Five GCSE retrieval questions · 3 April 2019 · 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: 7x - 12 = 58
Answer: x = 10 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 4cm and b = 14cm
Answer: 14.56cm -
4. Ratio Sharing in a ratio
Share 44 in the ratio 1:3
Answer: 11 and 33 -
5. Statistics Mean
Find the mean of: 9, 17, 6
Answer: 10.666666666667