Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 69 + 89
Answer: 69 + 89 = 158 -
2. Algebra
Simplify: 4x + 4x
Answer: 8x -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 158
Answer: 39.5 -
5. Statistics
Find the mean of: 2, 5, 7, 15, 20
Answer: 9.8