Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 23
Answer: 35 + 23 = 58 -
2. Algebra Substitution
If x = 3, find the value of 3x + 3
Answer: 12 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 2, 6, 19, 18
Answer: 12