Keystones — Cornerstone
Five GCSE retrieval questions · 14 June 2016 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 4⁄6 + 1⁄5
Answer: 13⁄15 -
2. Algebra Two-step equations
Solve: 7x - 5 = 93
Answer: x = 14 -
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 65 in the ratio 1:4
Answer: 13 and 52 -
5. Statistics Mean
Calculate the mean of: 8, 33, 29, 22, 29, 34, 14, 8. Give your answer to 2 decimal places
Answer: 22.13