Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 42
Answer: 47 + 42 = 89 -
2. Algebra Substitution
If x = 7, find the value of 4x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 15, 3, 9
Answer: 10