Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄9 + 2⁄9
Answer: 2⁄3 -
2. Algebra
Factorise: 12x + 14
Answer: 2(6x + 7) -
3. Geometry
Find the area of a right triangle with base 6cm and height 10cm
Answer: 30cm² -
4. Ratio
In ratio 3:2, the difference between shares is 14. What are the shares?
Answer: 42 and 28 -
5. Statistics
Find the mean of: 20, 11, 9
Answer: 13.333333333333