Keystones — Lintel
Five GCSE retrieval questions · 8 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Collect like terms: 8x + 4y + 2x + 3y
Answer: 10x + 7y -
3. Geometry
Find c if a = 13cm and b = 13cm in a right triangle
Answer: 18.4cm -
4. Ratio
Find 64% of 348
Answer: 222.72 -
5. Statistics
A spinner has 5 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄11