Keystones — Lintel
Five GCSE retrieval questions · 20 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1.9 + 91.64 + 0.233
Answer: 1.9 + 91.64 + 0.233 = 93.773 -
2. Algebra
Factorise: 6x² + 7x
Answer: x(6x + 7) -
3. Geometry
Find the distance between (-3, -8) and (7, 9)
Answer: 19.72 -
4. Ratio
Calculate 47.8% of 202
Answer: 96.56 -
5. Statistics
A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 6⁄13