Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 16
Answer: 11 + 16 = 27 -
2. Algebra Substitution
If x = 2, find the value of 7x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 10, 21, 14, 11
Answer: 14