Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 86
Answer: 79 + 86 = 165 -
2. Algebra Substitution
If x = 5, find the value of 7x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 3, 8, 13
Answer: 8