Keystones — Bedrock
Five GCSE retrieval questions · 26 April 2025 · mathsvault.uk/keystones
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1. Number
Round 164 to the nearest 10
Answer: 160 -
2. Algebra
Simplify: 5x + 3x
Answer: 8x -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 169
Answer: 84.5 -
5. Statistics
Find the mean of: 7, 8, 8, 12
Answer: 8.75