Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 10
Answer: 22 + 10 = 32 -
2. Algebra Substitution
If x = 6, find the value of 7x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 18, 25, 7, 7, 3
Answer: 12