Keystones — Cornerstone
Five GCSE retrieval questions · 5 June 2019 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 3⁄6 + 2⁄4
Answer: 1⁄1 -
2. Algebra Two-step equations
Solve: 8x - 16 = 32
Answer: x = 6 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 4cm and b = 4cm
Answer: 5.66cm -
4. Ratio Sharing in a ratio
Divide 180 in the ratio 1:1:4
Answer: 30, 30 and 120 -
5. Statistics Mean
Find the mean of: 18, 9, 12
Answer: 13