Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 18
Answer: 33 + 18 = 51 -
2. Algebra Substitution
If x = 8, find the value of 6x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 16, 13
Answer: 12