Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 86
Answer: 82 + 86 = 168 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 16, 7, 17, 12
Answer: 11