Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 67 + 51
Answer: 67 + 51 = 118 -
2. Algebra
Expand: 3(x + 4)
Answer: 3x + 12 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics
What is the probability of rolling a 1 on a fair die?
Answer: 1⁄6