Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 96
Answer: 34 + 96 = 130 -
2. Algebra Substitution
If x = 5, find the value of 3x + 7
Answer: 22 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 18, 16, 13, 10, 8
Answer: 13