Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 72
Answer: 68 + 72 = 140 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 16, 2, 6
Answer: 8