Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 89
Answer: 89 + 89 = 178 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 13, 4
Answer: 9