Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 56
Answer: 35 + 56 = 91 -
2. Algebra Substitution
If x = 8, find the value of 5x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 19, 5, 17, 11
Answer: 13