Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 36
Answer: 46 + 36 = 82 -
2. Algebra Substitution
If x = 7, find the value of 8x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 16, 19, 6, 2, 7
Answer: 10