Keystones — Bedrock
Five GCSE retrieval questions · 19 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 89
Answer: 28 + 89 = 117 -
2. Algebra Substitution
If x = 10, find the value of 4x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 16, 14, 6, 14, 10
Answer: 12