Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 16
Answer: 19 + 16 = 35 -
2. Algebra Substitution
If x = 4, find the value of 6x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 9, 6, 21
Answer: 12