Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 25
Answer: 23 + 25 = 48 -
2. Algebra Substitution
If x = 10, find the value of 3x + 3
Answer: 33 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 5, 14, 20
Answer: 12