Keystones — Bedrock
Five GCSE retrieval questions · 24 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 17
Answer: 16 + 17 = 33 -
2. Algebra Substitution
If x = 6, find the value of 5x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 8, 10, 19
Answer: 13