Keystones — Lintel
Five GCSE retrieval questions · 4 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 524
Answer: 1522 -
2. Algebra
Solve: 4x = 60
Answer: x = 15 -
3. Geometry
Opposite = 9cm, adjacent = 13cm. Calculate the angle
Answer: 34.7° -
4. Ratio
Find 81% of 254
Answer: 205.74 -
5. Statistics
A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 5⁄9