Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 98
Answer: 79 + 98 = 177 -
2. Algebra Substitution
If x = 10, find the value of 8x + 5
Answer: 85 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 12, 13, 8
Answer: 11