Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 87
Answer: 52 + 87 = 139 -
2. Algebra Substitution
If x = 4, find the value of 3x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 12, 18, 3
Answer: 11