Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 29
Answer: 15 + 29 = 44 -
2. Algebra Substitution
If x = 8, find the value of 4x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 18, 19
Answer: 14