Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 62
Answer: 27 + 62 = 89 -
2. Algebra
Solve: x + 8 = 24
Answer: x = 16 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics
Find the mean of: 8, 12, 10, 2
Answer: 8