Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 70
Answer: 74 + 70 = 144 -
2. Algebra Substitution
If x = 9, find the value of 3x + 5
Answer: 32 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 14, 12, 18
Answer: 12