Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 56
Answer: 56 + 56 = 112 -
2. Algebra Substitution
If x = 4, find the value of 3x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 20, 13, 5, 14
Answer: 13