Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 39
Answer: 35 + 39 = 74 -
2. Algebra Substitution
If x = 2, find the value of 8x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 19, 6, 16, 4
Answer: 12