Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 50
Answer: 65 + 50 = 115 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 19, 10, 13, 3
Answer: 10