Keystones — Cornerstone
Five GCSE retrieval questions · 14 June 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 4⁄7 + 3⁄8
Answer: 53⁄56 -
2. Algebra Two-step equations
Solve: 2x - 17 = 5
Answer: x = 11 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 12cm and 35cm
Answer: 37cm -
4. Ratio Sharing in a ratio
Share 44 in the ratio 1:3
Answer: 11 and 33 -
5. Statistics Mean
Find the mean of: 15, 3, 16, 10
Answer: 11