Keystones — Bedrock
Five GCSE retrieval questions · 11 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 69
Answer: 26 + 69 = 95 -
2. Algebra Substitution
If x = 5, find the value of 5x + 10
Answer: 35 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 24, 8, 7
Answer: 13