Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 21
Answer: 27 + 21 = 48 -
2. Algebra Substitution
If x = 3, find the value of 7x + 4
Answer: 25 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 11, 2
Answer: 9