Keystones — Bedrock
Five GCSE retrieval questions · 10 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 70
Answer: 77 + 70 = 147 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 12, 14
Answer: 13