Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 25
Answer: 49 + 25 = 74 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 5, 10, 4
Answer: 7