Keystones — Cornerstone
Five GCSE retrieval questions · 28 April 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 702 + 409
Answer: 702 + 409 = 1111 -
2. Algebra
Simplify: 9x + 7x
Answer: 16x -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 75
Answer: 37.5 -
5. Statistics
Calculate the mean of: 8, 34, 16, 42, 6, 34, 24
Answer: 23.4