Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 31
Answer: 18 + 31 = 49 -
2. Algebra Substitution
If x = 4, find the value of 8x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 10, 2, 6
Answer: 6