Keystones — Lintel
Five GCSE retrieval questions · 28 March 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: 8x = 72
Answer: x = 9 -
3. Geometry
Opposite = 13cm, adjacent = 15cm. Calculate the angle
Answer: 40.9° -
4. Ratio
Calculate 32.5% of 574
Answer: 186.55 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3