Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 37
Answer: 10 + 37 = 47 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 5, 10, 12
Answer: 9