Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 86
Answer: 28 + 86 = 114 -
2. Algebra Substitution
If x = 8, find the value of 5x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 1, 20
Answer: 10