Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 48
Answer: 17 + 48 = 65 -
2. Algebra Substitution
If x = 5, find the value of 5x + 8
Answer: 33 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 6, 18, 4, 15, 12
Answer: 11