Keystones — Cornerstone
Five GCSE retrieval questions · 13 November 2024 · mathsvault.uk/keystones
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1. Number Adding fractions
Calculate: 2⁄6 + 3⁄6
Answer: 5⁄6 -
2. Algebra Two-step equations
Solve: 4x - 8 = 44
Answer: x = 13 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 12cm and b = 13cm
Answer: 17.69cm -
4. Ratio Sharing in a ratio
Divide 220 in the ratio 4:4:3
Answer: 80, 80 and 60 -
5. Statistics Mean
Find the mean of: 18, 19, 15
Answer: 17.333333333333