Keystones — Cornerstone
Five GCSE retrieval questions · 21 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 84
Answer: 62 + 84 = 146 -
2. Algebra
Factorise: 7x² + 6x
Answer: x(7x + 6) -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 107
Answer: 53.5 -
5. Statistics
Find the range of: 24, 24, 21, 10, 5
Answer: 19