Keystones — Bedrock
Five GCSE retrieval questions · 31 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 37 + 81
Answer: 37 + 81 = 118 -
2. Algebra
Simplify: 9x + 5x
Answer: 14x -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 103
Answer: 25.75 -
5. Statistics
Find the mean of: 15, 19, 19
Answer: 17.666666666667