Keystones — Cornerstone
Five GCSE retrieval questions · 4 July 2021 · mathsvault.uk/keystones
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1. Number
Add: 26.71 + 95.97
Answer: 26.71 + 95.97 = 122.68 -
2. Algebra
What is the next term? 5, 15, 45, 135, ...
Answer: 405 -
3. Geometry
Opposite = 20cm, adjacent = 8cm. Calculate the angle
Answer: 68.2° -
4. Ratio
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics
Calculate the mean of: 13, 16, 45, 36, 7, 10
Answer: 21.2