Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 12
Answer: 44 + 12 = 56 -
2. Algebra Substitution
If x = 3, find the value of 4x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 7, 6, 24, 12, 16
Answer: 13