Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 33
Answer: 30 + 33 = 63 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 18, 2, 11, 5
Answer: 9