Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 48
Answer: 10 + 48 = 58 -
2. Algebra Substitution
If x = 2, find the value of 4x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 12, 9, 2, 14, 3
Answer: 8