Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 38 + 21
Answer: 38 + 21 = 59 -
2. Algebra
Simplify: 2x + 4x
Answer: 6x -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 158
Answer: 79 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2