Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 48
Answer: 13 + 48 = 61 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 11, 8, 10, 13, 3
Answer: 9