Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 26
Answer: 13 + 26 = 39 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 14, 2, 1
Answer: 8