Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 36
Answer: 23 + 36 = 59 -
2. Algebra Substitution
If x = 7, find the value of 6x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 10, 15, 2, 17
Answer: 11