Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 86
Answer: 29 + 86 = 115 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 16, 2, 11, 3, 13
Answer: 9