Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 24
Answer: 69 + 24 = 93 -
2. Algebra Substitution
If x = 6, find the value of 5x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 18, 14, 8
Answer: 13