Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 39
Answer: 13 + 39 = 52 -
2. Algebra Substitution
If x = 6, find the value of 5x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 14, 9, 16
Answer: 14