Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄5 + 1⁄5
Answer: 3⁄5 -
2. Algebra
Simplify: 9x + 9x
Answer: 18x -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 26
Answer: 13 -
5. Statistics
Find the mean of: 10, 2, 16
Answer: 9.3333333333333