Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 53
Answer: 85 + 53 = 138 -
2. Algebra Substitution
If x = 9, find the value of 7x + 11
Answer: 74 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 3, 7, 8
Answer: 6