Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 86
Answer: 52 + 86 = 138 -
2. Algebra Substitution
If x = 4, find the value of 2x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 19, 13, 5, 19
Answer: 14