Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 26
Answer: 22 + 26 = 48 -
2. Algebra Substitution
If x = 8, find the value of 6x + 7
Answer: 55 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 8, 17, 13, 18
Answer: 14