Keystones — Cornerstone
Five GCSE retrieval questions · 6 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 147 + 504
Answer: 147 + 504 = 651 -
2. Algebra
Solve: 5x - 10 = 3x + 4
Answer: x = 7 -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 101
Answer: 25.25 -
5. Statistics
Find the mean of: 12, 2, 9, 18, 16
Answer: 11.4