Keystones — Lintel
Five GCSE retrieval questions · 16 December 2023 · mathsvault.uk/keystones
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1. Number
Find the missing number: 8.68 + □ = 12.83
Answer: □ = 4.15 -
2. Algebra
For y = x³ + 11, calculate y when x = 3
Answer: y = 38 -
3. Geometry
Opposite = 10cm, adjacent = 17cm. Calculate the angle
Answer: 30.5° -
4. Ratio
Calculate 24.2% of 917
Answer: 221.91 -
5. Statistics
Calculate the mean of: 48, 40, 24, 7, 15, 21, 26
Answer: 25.9