Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 48
Answer: 48 + 48 = 96 -
2. Algebra Substitution
If x = 5, find the value of 3x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 20, 13, 14, 4
Answer: 13