Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 21
Answer: 35 + 21 = 56 -
2. Algebra Substitution
If x = 2, find the value of 6x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 20, 14, 10, 12
Answer: 14