Keystones — Bedrock
Five GCSE retrieval questions · 26 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 23
Answer: 12 + 23 = 35 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 15, 17
Answer: 12