Keystones — Bedrock
Five GCSE retrieval questions · 31 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 81
Answer: 52 + 81 = 133 -
2. Algebra Substitution
If x = 2, find the value of 2x + 4
Answer: 8 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 3, 8, 13
Answer: 8