Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 15
Answer: 49 + 15 = 64 -
2. Algebra Substitution
If x = 6, find the value of 6x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 4, 14, 2, 9, 16
Answer: 9