Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 24
Answer: 28 + 24 = 52 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 11, 7, 7, 16, 4
Answer: 9