Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 78
Answer: 36 + 78 = 114 -
2. Algebra Substitution
If x = 9, find the value of 4x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 11, 7, 2
Answer: 10