Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 87
Answer: 69 + 87 = 156 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 13, 13, 19
Answer: 15