Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 40
Answer: 41 + 40 = 81 -
2. Algebra Substitution
If x = 5, find the value of 6x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 20, 19, 14, 10
Answer: 15.75