Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 42
Answer: 45 + 42 = 87 -
2. Algebra Substitution
If x = 5, find the value of 2x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 11, 6, 10
Answer: 9