Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 64
Answer: 59 + 64 = 123 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 14, 7, 18, 5
Answer: 11