Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 13 + 18
Answer: 13 + 18 = 31 -
2. Algebra
Solve: x + 9 = 26
Answer: x = 17 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics
Find the mean of: 12, 11, 19, 14, 8
Answer: 12.8