Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 54
Answer: 27 + 54 = 81 -
2. Algebra Substitution
If x = 3, find the value of 5x + 6
Answer: 21 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 7, 10, 13
Answer: 10