Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 58 + 25
Answer: 58 + 25 = 83 -
2. Algebra Substitution
If x = 4, find the value of 7x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 8, 10, 11, 7
Answer: 10