Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 47
Answer: 21 + 47 = 68 -
2. Algebra Substitution
If x = 3, find the value of 4x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 16, 10, 7
Answer: 11