Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 14
Answer: 49 + 14 = 63 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 1, 20, 3
Answer: 8