Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 52
Answer: 66 + 52 = 118 -
2. Algebra Substitution
If x = 8, find the value of 4x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 23, 19, 3
Answer: 15