Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 42
Answer: 99 + 42 = 141 -
2. Algebra Substitution
If x = 7, find the value of 3x + 4
Answer: 25 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 6, 11, 16
Answer: 11