Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 6.3 + 5.3
Answer: 6.3 + 5.3 = 11.6 -
2. Algebra
Simplify: 5x + 8x
Answer: 13x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics
Find the mean of: 10, 8, 18, 12, 9
Answer: 11.4