Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 16
Answer: 24 + 16 = 40 -
2. Algebra Substitution
If x = 5, find the value of 5x + 10
Answer: 35 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 12, 3, 19, 10
Answer: 11