Keystones — Cornerstone
Five GCSE retrieval questions · 8 July 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 2⁄3 + 4⁄6
Answer: 4⁄3 -
2. Algebra Two-step equations
Solve: 6x - 20 = 22
Answer: x = 7 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 11cm and b = 6cm
Answer: 12.53cm -
4. Ratio Sharing in a ratio
Share 102 in the ratio 1:2
Answer: 34 and 68 -
5. Statistics Mean
Find the mean of: 18, 19, 13, 6
Answer: 14