Keystones — Lintel
Five GCSE retrieval questions · 27 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 574
Answer: 1568 -
2. Algebra
Solve: 8x = 88
Answer: x = 11 -
3. Geometry
Opposite = 18cm, adjacent = 19cm. Calculate the angle
Answer: 43.5° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3