Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 24
Answer: 31 + 24 = 55 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 4, 6, 13, 5
Answer: 7