Keystones — Cornerstone
Five GCSE retrieval questions · 20 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 652 + 588
Answer: 652 + 588 = 1240 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 18:15:12
Answer: 6:5:4 -
5. Statistics
Find the range of: 18, 23, 12, 16, 16
Answer: 11