Keystones — Cornerstone
Five GCSE retrieval questions · 29 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 355 + 655
Answer: 355 + 655 = 1010 -
2. Algebra
Solve: 8x = 72
Answer: x = 9 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 50
Answer: 5 -
5. Statistics
Find the range of: 12, 26, 32, 7, 28
Answer: 25