Keystones — Lintel
Five GCSE retrieval questions · 17 September 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: 3x = 36
Answer: x = 12 -
3. Geometry
Opposite = 19cm, adjacent = 8cm. Calculate the angle
Answer: 67.2° -
4. Ratio
Calculate 25.4% of 893
Answer: 226.82 -
5. Statistics
A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄9