Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 34
Answer: 73 + 34 = 107 -
2. Algebra Substitution
If x = 4, find the value of 8x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 11, 10, 15, 20
Answer: 14