Keystones — Cornerstone
Five GCSE retrieval questions · 27 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 903 + 733
Answer: 903 + 733 = 1636 -
2. Algebra
For y = x³, find y when x = 2
Answer: y = 8 -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 161
Answer: 80.5 -
5. Statistics
Find the mean of: 19, 5, 14
Answer: 12.666666666667