Keystones — Cornerstone
Five GCSE retrieval questions · 9 November 2015 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 1⁄6 + 4⁄6
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 3x + 14 = 29
Answer: x = 5 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 6cm and b = 7cm. Give your answer to 2 decimal places
Answer: 9.22cm -
4. Ratio Sharing in a ratio
Share 35 in the ratio 4:3
Answer: 20 and 15 -
5. Statistics Mean
Find the mean of: 14, 14, 5
Answer: 11