Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 42
Answer: 16 + 42 = 58 -
2. Algebra Substitution
If x = 2, find the value of 2x + 5
Answer: 9 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 10, 14, 12
Answer: 12