Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 82
Answer: 39 + 82 = 121 -
2. Algebra Substitution
If x = 6, find the value of 5x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 9, 16
Answer: 13