Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 78 + 37
Answer: 78 + 37 = 115 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics
Find the mean of: 12, 18, 20
Answer: 16.666666666667