Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 30
Answer: 14 + 30 = 44 -
2. Algebra Substitution
If x = 9, find the value of 8x + 12
Answer: 84 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 11, 23, 11
Answer: 15