Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 15
Answer: 12 + 15 = 27 -
2. Algebra Substitution
If x = 3, find the value of 6x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 14, 12, 19, 11
Answer: 14