Keystones — Bedrock
Five GCSE retrieval questions · 4 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 47
Answer: 26 + 47 = 73 -
2. Algebra Substitution
If x = 3, find the value of 4x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 9, 2, 7
Answer: 6