Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 43
Answer: 35 + 43 = 78 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 23, 6, 4
Answer: 11