Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 51
Answer: 64 + 51 = 115 -
2. Algebra
Simplify: 6x + 7x
Answer: 13x -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
In ratio 7:1, the difference between shares is 78. What are the shares?
Answer: 91 and 13 -
5. Statistics
Find the median of: 12, 20, 15, 17, 7
Answer: 15