Keystones — Lintel
Five GCSE retrieval questions · 2 May 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 99 + ? = 101
Answer: 2 -
2. Algebra
Solve: 4x = 32
Answer: x = 8 -
3. Geometry
Opposite = 15cm, adjacent = 16cm. Calculate the angle
Answer: 43.2° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 18, 16, 12, 38, 13, 16, 20, 18
Answer: 18.9