Keystones — Cornerstone
Five GCSE retrieval questions · 23 April 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 47
Answer: 24 + 47 = 71 -
2. Algebra
Expand: 8(x + 2)
Answer: 8x + 16 -
3. Geometry
Opposite = 20cm, adjacent = 20cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify: 6:6:4
Answer: 3:3:2 -
5. Statistics
What is the probability of rolling a 6 on a fair die?
Answer: 1⁄6