Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 36
Answer: 42 + 36 = 78 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 11, 17, 6, 24
Answer: 12