Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 45
Answer: 36 + 45 = 81 -
2. Algebra Substitution
If x = 10, find the value of 8x + 6
Answer: 86 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 11, 2, 11
Answer: 11