Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 33
Answer: 48 + 33 = 81 -
2. Algebra Substitution
If x = 9, find the value of 6x + 5
Answer: 59 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 15, 14, 9
Answer: 11