Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 80 + 59
Answer: 80 + 59 = 139 -
2. Algebra
Expand: 7(x + 4)
Answer: 7x + 28 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics
Find the mean of: 18, 15, 16, 3, 8
Answer: 12