Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 32
Answer: 27 + 32 = 59 -
2. Algebra Substitution
If x = 3, find the value of 7x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 16, 3, 10, 6, 20
Answer: 11