Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 45
Answer: 49 + 45 = 94 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 20, 6, 19
Answer: 15