Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 42
Answer: 32 + 42 = 74 -
2. Algebra Substitution
If x = 2, find the value of 3x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 23, 4
Answer: 14