Keystones — Bedrock
Five GCSE retrieval questions · 29 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1.4 + 2.5
Answer: 1.4 + 2.5 = 3.9 -
2. Algebra
Solve: x + 12 = 18
Answer: x = 6 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 138
Answer: 34.5 -
5. Statistics
Find the mean of: 8, 10, 18
Answer: 12