Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 86
Answer: 54 + 86 = 140 -
2. Algebra Substitution
If x = 4, find the value of 7x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 20, 8, 5
Answer: 11