Keystones — Cornerstone
Five GCSE retrieval questions · 28 November 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 9⁄11 + 1⁄11
Answer: 10⁄11 -
2. Algebra Two-step equations
Solve: 7x - 12 = 44
Answer: x = 8 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 12cm and 35cm
Answer: 37cm -
4. Ratio Sharing in a ratio
Divide 140 in the ratio 2:1:2
Answer: 56, 28 and 56 -
5. Statistics Mean
Find the mean of: 13, 14, 18
Answer: 15