Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 45
Answer: 31 + 45 = 76 -
2. Algebra Substitution
If x = 9, find the value of 3x + 6
Answer: 33 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 4, 10, 15, 6, 15
Answer: 10