Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 19
Answer: 27 + 19 = 46 -
2. Algebra Substitution
If x = 2, find the value of 5x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 12, 6, 2
Answer: 8