Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 14
Answer: 15 + 14 = 29 -
2. Algebra Substitution
If x = 2, find the value of 8x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 7, 7, 7
Answer: 6