Keystones — Bedrock
Five GCSE retrieval questions · 31 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 14
Answer: 12 + 14 = 26 -
2. Algebra Substitution
If x = 4, find the value of 4x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 15, 3
Answer: 11