Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 84
Answer: 57 + 84 = 141 -
2. Algebra Substitution
If x = 2, find the value of 3x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 6, 16, 20, 6
Answer: 11.4