Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 68
Answer: 62 + 68 = 130 -
2. Algebra
Factorise: 8x + 10
Answer: 2(4x + 5) -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
What is the probability of rolling a 1 on a fair die?
Answer: 1⁄6