Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 22 + 89
Answer: 22 + 89 = 111 -
2. Algebra
Expand: 5(x + 7)
Answer: 5x + 35 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics
Find the mean of: 2, 16, 15
Answer: 11