Keystones — Lintel
Five GCSE retrieval questions · 16 May 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 31 + ? = 183
Answer: 152 -
2. Algebra
Expand: 7(3x - 9)
Answer: 21x - 63 -
3. Geometry
Adjacent = 14cm, hypotenuse = 27cm. Find the angle
Answer: 58.8° -
4. Ratio
Calculate 19.3% of 449
Answer: 86.66 -
5. Statistics
Find the range of: 41, -22, 41, -12, 37
Answer: 63