Keystones — Lintel
Five GCSE retrieval questions · 20 February 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: 8x = 64
Answer: x = 8 -
3. Geometry
Opposite = 9cm, adjacent = 12cm. Calculate the angle
Answer: 36.9° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄2