Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 74
Answer: 78 + 74 = 152 -
2. Algebra Substitution
If x = 10, find the value of 3x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 7, 14, 9, 2
Answer: 8