Keystones — Cornerstone
Five GCSE retrieval questions · 12 February 2018 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 6⁄11 + 3⁄11
Answer: 9⁄11 -
2. Algebra Two-step equations
Solve: 5x - 8 = 62
Answer: x = 14 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 9cm and 12cm
Answer: 15cm -
4. Ratio Sharing in a ratio
Share 60 in the ratio 3:2
Answer: 36 and 24 -
5. Statistics Mean
Find the mean of: 5, 14, 8
Answer: 9