Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 27
Answer: 33 + 27 = 60 -
2. Algebra Substitution
If x = 5, find the value of 6x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 14, 13, 3
Answer: 10