Keystones — Cornerstone
Five GCSE retrieval questions · 7 April 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 1⁄6 + 2⁄5
Answer: 17⁄30 -
2. Algebra Two-step equations
Solve: 5x - 14 = 16
Answer: x = 6 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio Sharing in a ratio
Divide 261 in the ratio 1:4:4
Answer: 29, 116 and 116 -
5. Statistics Mean
Find the mean of: 19, 10, 19
Answer: 16