Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 20
Answer: 80 + 20 = 100 -
2. Algebra Substitution
If x = 6, find the value of 7x + 5
Answer: 47 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 8, 22
Answer: 13