Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 20
Answer: 46 + 20 = 66 -
2. Algebra Substitution
If x = 10, find the value of 6x + 5
Answer: 65 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 10, 9
Answer: 11