Keystones — Lintel
Five GCSE retrieval questions · 29 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 683 + 362
Answer: 683 + 362 = 1045 -
2. Algebra
Solve: 9x = 36
Answer: x = 4 -
3. Geometry
Opposite = 20cm, adjacent = 13cm. Calculate the angle
Answer: 57° -
4. Ratio
Find 52% of 419
Answer: 217.88 -
5. Statistics
A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 3⁄10