Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 29
Answer: 18 + 29 = 47 -
2. Algebra Substitution
If x = 6, find the value of 4x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 13, 20, 8, 2
Answer: 9