Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 4.2 + 1.2
Answer: 4.2 + 1.2 = 5.4 -
2. Algebra
Solve: x + 14 = 31
Answer: x = 17 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 11, 15, 5
Answer: 10.333333333333