Keystones — Cornerstone
Five GCSE retrieval questions · 14 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 135 + 322
Answer: 135 + 322 = 457 -
2. Algebra
Simplify: 5x + 8x
Answer: 13x -
3. Geometry
Opposite = 8cm, adjacent = 16cm. Calculate the angle
Answer: 26.6° -
4. Ratio
Simplify: 15:6:6
Answer: 5:2:2 -
5. Statistics
A bag has 3 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7