Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 99
Answer: 48 + 99 = 147 -
2. Algebra Substitution
If x = 7, find the value of 7x + 6
Answer: 55 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 6, 11, 18, 11
Answer: 12