Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 59
Answer: 59 + 59 = 118 -
2. Algebra Substitution
If x = 5, find the value of 8x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 15, 18, 12
Answer: 15