Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 27
Answer: 60 + 27 = 87 -
2. Algebra Substitution
If x = 6, find the value of 4x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 17, 4, 15, 18, 16
Answer: 14