Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 25
Answer: 29 + 25 = 54 -
2. Algebra Substitution
If x = 7, find the value of 8x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 16, 16, 4, 4
Answer: 10