Keystones — Lintel
Five GCSE retrieval questions · 22 September 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: 9x = 126
Answer: x = 14 -
3. Geometry
Calculate the distance between (6, 4) and (9, 8)
Answer: 5 -
4. Ratio
Calculate 29.8% of 736
Answer: 219.33 -
5. Statistics
A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 3⁄10