Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 52
Answer: 60 + 52 = 112 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 16, 20, 8, 3, 3
Answer: 10