Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 96 + 69
Answer: 96 + 69 = 165 -
2. Algebra Substitution
If x = 5, find the value of 3x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 9, 10
Answer: 10