Keystones — Lintel
Five GCSE retrieval questions · 18 September 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: 3x = 27
Answer: x = 9 -
3. Geometry
Opposite = 14cm, adjacent = 15cm. Calculate the angle
Answer: 43° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: 25, 5, 40, -12, 10
Answer: 52