Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 44
Answer: 28 + 44 = 72 -
2. Algebra
Expand: 4(x + 9)
Answer: 4x + 36 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics
Find the mean of: 7, 6, 6
Answer: 6.3333333333333