Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 31
Answer: 32 + 31 = 63 -
2. Algebra Substitution
If x = 2, find the value of 2x + 6
Answer: 10 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 11, 4, 17, 4
Answer: 9