Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 57
Answer: 39 + 57 = 96 -
2. Algebra Substitution
If x = 6, find the value of 7x + 10
Answer: 52 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 8, 4, 18, 22
Answer: 13