Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 32
Answer: 43 + 32 = 75 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 3, 6, 15
Answer: 8