Keystones — Lintel
Five GCSE retrieval questions · 4 December 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 35 + ? = 147
Answer: 112 -
2. Algebra
Solve: 8x = 40
Answer: x = 5 -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Find 83% of 287
Answer: 238.21 -
5. Statistics
Find the range of: 15, 21, -17, -15, 29
Answer: 46