Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 29
Answer: 28 + 29 = 57 -
2. Algebra Substitution
If x = 5, find the value of 4x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 2, 19
Answer: 11