Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 73
Answer: 62 + 73 = 135 -
2. Algebra
Expand: 9(x + 2)
Answer: 9x + 18 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics
Find the mean of: 3, 3, 3, 13
Answer: 5.5