Keystones — Cornerstone
Five GCSE retrieval questions · 25 February 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 263, 261, and 145
Answer: 669 -
2. Algebra
Solve: x + 15 = 18
Answer: x = 3 -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 15:18:12
Answer: 5:6:4 -
5. Statistics
Calculate the range of: 61, 40, 120, 92, 118, 101
Answer: 80