Keystones — Cornerstone
Five GCSE retrieval questions · 26 October 2016 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 8⁄11 + 1⁄11
Answer: 9⁄11 -
2. Algebra Two-step equations
Solve: 7x - 10 = 39
Answer: x = 7 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio Sharing in a ratio
Share 95 in the ratio 2:3
Answer: 38 and 57 -
5. Statistics Mean
Find the mean of: 13, 6, 11
Answer: 10