Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 32
Answer: 32 + 32 = 64 -
2. Algebra Substitution
If x = 10, find the value of 8x + 5
Answer: 85 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 11, 19, 9
Answer: 13