Keystones — Bedrock
Five GCSE retrieval questions · 29 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: -7 + (-9)
Answer: -16 -
2. Algebra
Simplify: 7x + 2x
Answer: 9x -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 10% of 46
Answer: 4.6 -
5. Statistics
What is the probability of rolling a 6 on a fair die?
Answer: 1⁄6