Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 24 ÷ 4
Answer: 24 ÷ 4 = 6 -
2. Algebra
Expand: 4(x + 3)
Answer: 4x + 12 -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics
Find the mean of: 6, 5, 9, 7, 7
Answer: 6.8