Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 81
Answer: 34 + 81 = 115 -
2. Algebra Substitution
If x = 8, find the value of 2x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 5, 19, 17, 9
Answer: 11.8