Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 51
Answer: 74 + 51 = 125 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 6, 19, 19
Answer: 13