Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄8 + 3⁄8
Answer: 7⁄8 -
2. Algebra
Simplify: 7x + 2x
Answer: 9x -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics
Find the mean of: 5, 12, 17, 20
Answer: 13.5