Keystones — Lintel
Five GCSE retrieval questions · 25 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 512
Answer: 1511 -
2. Algebra
Solve: 3x = 24
Answer: x = 8 -
3. Geometry
Adjacent = 29cm, hypotenuse = 40cm. Find the angle
Answer: 43.5° -
4. Ratio
Simplify: 9:9:18
Answer: 1:1:2 -
5. Statistics
Calculate the mean of: 17, 35, 43, 35, 10, 18
Answer: 26.3