Keystones — Bedrock
Five GCSE retrieval questions · 8 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 42
Answer: 19 + 42 = 61 -
2. Algebra Substitution
If x = 6, find the value of 2x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 19, 16, 6, 4
Answer: 11.25