Keystones — Lintel
Five GCSE retrieval questions · 26 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 676 + 645
Answer: 676 + 645 = 1321 -
2. Algebra
Expand: 6(6x + 7)
Answer: 36x + 42 -
3. Geometry
Opposite = 10cm, adjacent = 14cm. Calculate the angle
Answer: 35.5° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 4⁄9