Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 34
Answer: 64 + 34 = 98 -
2. Algebra Substitution
If x = 8, find the value of 4x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 2, 11
Answer: 11