Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 87
Answer: 62 + 87 = 149 -
2. Algebra
Factorise: 10x + 30
Answer: 5(2x + 6) -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 32
Answer: 16 -
5. Statistics
Find the mean of: 18, 10, 9, 18
Answer: 13.75