Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 44
Answer: 28 + 44 = 72 -
2. Algebra Substitution
If x = 10, find the value of 4x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 13, 2, 14
Answer: 10