Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 22
Answer: 43 + 22 = 65 -
2. Algebra Substitution
If x = 6, find the value of 6x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 4, 11, 13, 2, 10
Answer: 8