Keystones — Cornerstone
Five GCSE retrieval questions · 24 November 2013 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 4⁄6 + 1⁄6
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 6x + 14 = 32
Answer: x = 3 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 4cm and b = 5cm. Give your answer to 2 decimal places
Answer: 6.4cm -
4. Ratio Sharing in a ratio
Share 95 in the ratio 4:1
Answer: 76 and 19 -
5. Statistics Mean
Find the mean of: 15, 1, 8
Answer: 8