Keystones — Cornerstone
Five GCSE retrieval questions · 29 June 2022 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 6⁄7 + 3⁄5
Answer: 51⁄35 -
2. Algebra Two-step equations
Solve: 4x - 8 = 36
Answer: x = 11 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 9cm and 12cm
Answer: 15cm -
4. Ratio Sharing in a ratio
Divide 330 in the ratio 4:3:4
Answer: 120, 90 and 120 -
5. Statistics Mean
Find the mean of: 2, 13, 10, 8
Answer: 8.25