Keystones — Bedrock
Five GCSE retrieval questions · 28 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 44
Answer: 88 + 44 = 132 -
2. Algebra Substitution
If x = 8, find the value of 4x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 10, 17, 18
Answer: 15