Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 81
Answer: 69 + 81 = 150 -
2. Algebra Substitution
If x = 4, find the value of 5x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 3, 11, 4
Answer: 6