Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 54
Answer: 36 + 54 = 90 -
2. Algebra Substitution
If x = 10, find the value of 7x + 11
Answer: 81 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 6, 2, 13
Answer: 8