Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 3⁄5
Answer: 4⁄5 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics
Find the mean of: 8, 17, 15, 3, 4
Answer: 9.4