Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 42
Answer: 32 + 42 = 74 -
2. Algebra Substitution
If x = 8, find the value of 7x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 7, 3, 6, 24
Answer: 10