Keystones — Cornerstone
Five GCSE retrieval questions · 20 November 2018 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 2⁄6 + 5⁄8
Answer: 23⁄24 -
2. Algebra Two-step equations
Solve: 4x - 14 = 18
Answer: x = 8 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio Sharing in a ratio
Share 45 in the ratio 1:2
Answer: 15 and 30 -
5. Statistics Mean
Find the mean of: 16, 5, 3
Answer: 8