Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 48
Answer: 12 + 48 = 60 -
2. Algebra Substitution
If x = 9, find the value of 7x + 10
Answer: 73 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 12, 19
Answer: 13