Keystones — Cornerstone
Five GCSE retrieval questions · 24 August 2018 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 4⁄5 + 1⁄3
Answer: 17⁄15 -
2. Algebra Two-step equations
Solve: 2x - 13 = 13
Answer: x = 13 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 12cm and 16cm
Answer: 20cm -
4. Ratio Sharing in a ratio
Share 44 in the ratio 3:1
Answer: 33 and 11 -
5. Statistics Mean
Find the mean of: 13, 7, 8, 3
Answer: 7.75