Keystones — Cornerstone
Five GCSE retrieval questions · 29 July 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 6⁄7 + 1⁄3
Answer: 25⁄21 -
2. Algebra Two-step equations
Solve: 6x + 7 = 31
Answer: x = 4 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 7cm and b = 6cm
Answer: 9.22cm -
4. Ratio Sharing in a ratio
Share 36 in the ratio 1:3
Answer: 9 and 27 -
5. Statistics Mean
Find the mean of: 16, 19, 13
Answer: 16