Keystones — Lintel
Five GCSE retrieval questions · 15 October 2023 · mathsvault.uk/keystones
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1. Number
Add: 1⁄3 + 5⁄6
Answer: 7⁄6 -
2. Algebra
Solve: x⁄4 = 3.25
Answer: x = 13 -
3. Geometry
Opposite = 13cm, adjacent = 11cm. Calculate the angle
Answer: 49.8° -
4. Ratio
Calculate 47.7% of 999
Answer: 476.52 -
5. Statistics
A bag has 6 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7