Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 20
Answer: 56 + 20 = 76 -
2. Algebra Substitution
If x = 7, find the value of 6x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 19, 3, 9, 3
Answer: 9