Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 10
Answer: 24 + 10 = 34 -
2. Algebra Substitution
If x = 8, find the value of 6x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 14, 20, 5
Answer: 13