Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 89
Answer: 92 + 89 = 181 -
2. Algebra Substitution
If x = 5, find the value of 3x + 6
Answer: 21 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 10, 15, 5
Answer: 10