Keystones — Bedrock
Five GCSE retrieval questions · 6 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 22
Answer: 31 + 22 = 53 -
2. Algebra Substitution
If x = 5, find the value of 4x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 2, 18
Answer: 13