Keystones — Cornerstone
Five GCSE retrieval questions · 16 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 89
Answer: 77 + 89 = 166 -
2. Algebra
What is the next term? 3, 6, 12, 24, ...
Answer: 48 -
3. Geometry
Opposite = 17cm, adjacent = 13cm. Calculate the angle
Answer: 52.6° -
4. Ratio
Simplify: 20:12:20
Answer: 5:3:5 -
5. Statistics
Find the range of: 35, 26, 33, 20, 27
Answer: 15