Keystones — Lintel
Five GCSE retrieval questions · 20 September 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄4 = 4.25
Answer: x = 17 -
3. Geometry
Opposite = 15cm, adjacent = 10cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Find the range of: -24, -21, 38, -2, 43
Answer: 67