Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 23
Answer: 27 + 23 = 50 -
2. Algebra Substitution
If x = 7, find the value of 7x + 11
Answer: 60 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 15, 3, 3
Answer: 7