Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 10
Answer: 33 + 10 = 43 -
2. Algebra Substitution
If x = 3, find the value of 5x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 10, 1
Answer: 7