Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 6.8 + 1.8
Answer: 6.8 + 1.8 = 8.6 -
2. Algebra
Factorise: 10x + 16
Answer: 2(5x + 8) -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2