Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 44
Answer: 27 + 44 = 71 -
2. Algebra Substitution
If x = 8, find the value of 3x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 13, 19, 18
Answer: 13