Keystones — Cornerstone
Five GCSE retrieval questions · 14 July 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 4⁄6 + 3⁄5
Answer: 19⁄15 -
2. Algebra Two-step equations
Solve: 2x + 13 = 35
Answer: x = 11 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio Sharing in a ratio
Divide 216 in the ratio 4:4:1
Answer: 96, 96 and 24 -
5. Statistics Mean
Find the mean of: 9, 19, 13, 6
Answer: 11.75