Keystones — Cornerstone
Five GCSE retrieval questions · 28 April 2021 · mathsvault.uk/keystones
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1. Number
Add: 44.05 + 43.08
Answer: 44.05 + 43.08 = 87.13 -
2. Algebra
Factorise: 6x² + 4x
Answer: 2x(3x + 2) -
3. Geometry
Opposite = 12cm, adjacent = 8cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Simplify: 20:24:24
Answer: 5:6:6 -
5. Statistics
Find the mean of: 9, 3, 10, 10
Answer: 8