Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 28
Answer: 23 + 28 = 51 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 13, 9
Answer: 11