Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 24
Answer: 26 + 24 = 50 -
2. Algebra Substitution
If x = 9, find the value of 3x + 8
Answer: 35 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 11, 5, 17
Answer: 12