Keystones — Cornerstone
Five GCSE retrieval questions · 25 September 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 50 + ? = 170
Answer: 120 -
2. Algebra
What is the next term? 3, 12, 48, 192, ...
Answer: 768 -
3. Geometry
Opposite = 12cm, adjacent = 10cm. Calculate the angle
Answer: 50.2° -
4. Ratio
Calculate 10% of 75
Answer: 7.5 -
5. Statistics
Find the mean of: 5, 20, 10, 19
Answer: 13.5