Keystones — Bedrock
Five GCSE retrieval questions · 26 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 80
Answer: 25 + 80 = 105 -
2. Algebra
Solve: x + 2 = 5
Answer: x = 3 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 152
Answer: 38 -
5. Statistics
Find the mean of: 11, 10, 14, 12
Answer: 11.75