Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 45
Answer: 66 + 45 = 111 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 13, 16, 5, 22
Answer: 14