Keystones — Cornerstone
Five GCSE retrieval questions · 1 January 2016 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 6⁄11 + 4⁄11
Answer: 10⁄11 -
2. Algebra Two-step equations
Solve: 6x + 14 = 50
Answer: x = 6 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 3cm and b = 12cm. Give your answer to 2 decimal places
Answer: 12.37cm -
4. Ratio Sharing in a ratio
Share 63 in the ratio 3:4
Answer: 27 and 36 -
5. Statistics Mean
Find the mean of: 16, 9, 6, 5
Answer: 9