Keystones — Lintel
Five GCSE retrieval questions · 18 March 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: 5x = 25
Answer: x = 5 -
3. Geometry
Adjacent = 13cm, hypotenuse = 30cm. Find the angle
Answer: 64.3° -
4. Ratio
Calculate 20% of 935
Answer: 187 -
5. Statistics
Calculate the mean of: 23, 8, 35, 7, 42, 8, 14
Answer: 19.6