Keystones — Lintel
Five GCSE retrieval questions · 20 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 607
Answer: 1602 -
2. Algebra
Solve: 6x - 9 = 3x + 15
Answer: x = 8 -
3. Geometry
Find the distance between (-2, -2) and (11, 6)
Answer: 15.26 -
4. Ratio
Calculate 40.8% of 569
Answer: 232.15 -
5. Statistics
A bag has 5 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2