Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 37
Answer: 16 + 37 = 53 -
2. Algebra Substitution
If x = 4, find the value of 5x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 5, 13, 16, 12
Answer: 13.2