Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 75
Answer: 29 + 75 = 104 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 19, 10, 10
Answer: 13