Keystones — Cornerstone
Five GCSE retrieval questions · 6 October 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 81 + ? = 160
Answer: 79 -
2. Algebra
Expand: 2(x + 5)
Answer: 2x + 10 -
3. Geometry
Opposite = 20cm, adjacent = 9cm. Calculate the angle
Answer: 65.8° -
4. Ratio
Find 85% of 362
Answer: 307.7 -
5. Statistics
Find the range of: 23, 44, 46, 25, 18
Answer: 28