Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 61
Answer: 23 + 61 = 84 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 6, 8
Answer: 9