Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 18
Answer: 36 + 18 = 54 -
2. Algebra Substitution
If x = 9, find the value of 8x + 10
Answer: 82 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 2, 12
Answer: 7