Keystones — Cornerstone
Five GCSE retrieval questions · 2 March 2016 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 5⁄7 + 4⁄6
Answer: 29⁄21 -
2. Algebra Two-step equations
Solve: 7x - 19 = 65
Answer: x = 12 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 12cm and b = 6cm. Give your answer to 2 decimal places
Answer: 13.42cm -
4. Ratio Sharing in a ratio
Share 140 in the ratio 3:4
Answer: 60 and 80 -
5. Statistics Mean
Find the mean of: 2, 8, 11
Answer: 7