Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 46
Answer: 48 + 46 = 94 -
2. Algebra Substitution
If x = 2, find the value of 7x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 4, 12, 20
Answer: 12