Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 48
Answer: 46 + 48 = 94 -
2. Algebra Substitution
If x = 9, find the value of 2x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 6, 6, 8
Answer: 6