Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 31
Answer: 92 + 31 = 123 -
2. Algebra Substitution
If x = 8, find the value of 5x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 4, 9
Answer: 5