Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 38
Answer: 10 + 38 = 48 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 18, 9, 12
Answer: 13