Keystones — Bedrock
Five GCSE retrieval questions · 20 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 16
Answer: 23 + 16 = 39 -
2. Algebra Substitution
If x = 6, find the value of 3x + 4
Answer: 22 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 1, 4, 13
Answer: 6