Keystones — Lintel
Five GCSE retrieval questions · 14 November 2021 · mathsvault.uk/keystones
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1. Number
Three lengths are 2.99m, 1.16m and 3.19m. What is their total length?
Answer: 7.34m -
2. Algebra
Solve: x⁄7 = 4.1428571428571
Answer: x = 29 -
3. Geometry
Opposite = 10cm, adjacent = 15cm. Calculate the angle
Answer: 33.7° -
4. Ratio
Calculate 31.8% of 426
Answer: 135.47 -
5. Statistics
A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 5⁄12