Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 34
Answer: 23 + 34 = 57 -
2. Algebra Substitution
If x = 6, find the value of 4x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 20, 6
Answer: 13