Keystones — Bedrock
Five GCSE retrieval questions · 14 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 29
Answer: 35 + 29 = 64 -
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 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 4, 16, 8, 10
Answer: 11