Keystones — Cornerstone
Five GCSE retrieval questions · 12 November 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 407 + 101
Answer: 407 + 101 = 508 -
2. Algebra
Expand: 9(x + 2)
Answer: 9x + 18 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 77
Answer: 19.25 -
5. Statistics
Calculate the range of: 66, 42, 50, 92, 65, 63
Answer: 50