Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 27
Answer: 73 + 27 = 100 -
2. Algebra Substitution
If x = 3, find the value of 7x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 13, 4, 9, 14
Answer: 10