Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 83 + 53
Answer: 83 + 53 = 136 -
2. Algebra
Solve: x + 11 = 20
Answer: x = 9 -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics
Find the mean of: 9, 11, 4, 3
Answer: 6.75