Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 61
Answer: 68 + 61 = 129 -
2. Algebra
Simplify: 3x + 2x
Answer: 5x -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
In ratio 7:2, the difference between shares is 80. What are the shares?
Answer: 112 and 32 -
5. Statistics
Find the mean of: 4, 6, 16, 11, 20
Answer: 11.4