Keystones — Lintel
Five GCSE retrieval questions · 24 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 2⁄6 + 2⁄5
Answer: 37⁄30 -
2. Algebra
Solve: 6x = 30
Answer: x = 5 -
3. Geometry
Adjacent = 22cm, hypotenuse = 30cm. Find the angle
Answer: 42.8° -
4. Ratio
Calculate 29.6% of 832
Answer: 246.27 -
5. Statistics
Find the range of: -15, 4, -28, 25, -9
Answer: 53