Keystones — Cornerstone
Five GCSE retrieval questions · 13 July 2016 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 8⁄12 + 1⁄12
Answer: 3⁄4 -
2. Algebra Two-step equations
Solve: 4x + 4 = 44
Answer: x = 10 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 6cm and b = 11cm. Give your answer to 2 decimal places
Answer: 12.53cm -
4. Ratio Sharing in a ratio
Share 60 in the ratio 2:3
Answer: 24 and 36 -
5. Statistics Mean
Find the mean of: 17, 11, 5
Answer: 11