Keystones — Lintel
Five GCSE retrieval questions · 12 September 2023 · mathsvault.uk/keystones
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1. Number
0.039
Answer: 3.9 × 10^-2 -
2. Algebra
Simplify: 9x - 7x + 3y - y
Answer: 2x + 2y -
3. Geometry
Adjacent = 24cm, hypotenuse = 44cm. Find the angle
Answer: 56.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 43, 8, 41, 11, 13, 30, 45
Answer: 27.3